The TTC23L gene, also known as "Tetratricopeptide repeat protein 23-like," is involved in crucial cellular processes, mainly during cell division. Below, I've addressed your requests regarding TTC23L.

### 1. Associated Genes
While specific gene associations may not be universally documented, TTC23L may show potential interactions with genes related to the cell cycle and mitosis. For a comprehensive analysis of gene co-expression or interaction networks, databases such as STRING or BioGRID can provide specific associated genes. However, commonly associated genes with similar roles in mitosis and cytokinesis could include:

- **CENPE** (Centromere protein E)
- **PLK1** (Polo-like kinase 1)
- **KIF2C** (Kinesin family member 2C)
- **AURKB** (Aurora kinase B)

### 2. Aging or Age-Related Disease Associations
Direct associations between the TTC23L gene and aging or age-related diseases have not been widely reported in the literature. However, since the gene is involved in mitosis and cytokinesis, its dysregulation could theoretically contribute to genomic instability, which is associated with aging and age-related diseases like cancer. Mutations or altered expression levels in related genes could affect cellular proliferation, leading to oncogenesis or age-associated cellular senescence.

### 3. Drug Interactions
Currently, there is no well-documented information regarding specific drugs or drug classes that directly target TTC23L. However, given its role in cell division, it may interact indirectly with chemotherapeutic agents that aim to disrupt mitosis, such as:

- **Taxanes** (e.g., Paclitaxel)
- **Vinca alkaloids** (e.g., Vincristine)
- **Aurora kinase inhibitors** (e.g., Alisertib)

For detailed drug interactions, it is advisable to check databases such as DrugBank and literature focusing on drug matrix targeting mitotic processes.

### 4. Pathways and Biological Processes
TTC23L is vital for various biological processes, particularly those related to cell division. Some key pathways and processes it is involved in include:

- **Mitotic cell cycle**: Essential for proper chromosome segregation and cell division.
- **Cytokinesis**: Involvement in the physical division of the cell at the end of mitosis.
- **Microtubule organization**: Important for maintaining the structure of the mitotic spindle, which is crucial for chromosome movement.
- **Spindle assembly checkpoint**: Plays a role in ensuring that chromosomes are accurately aligned and segregated.

Additionally, its dynamic localization during the cell cycle indicates roles in real-time cellular coordination, which could link to broader signaling pathways affecting proliferation and tissue homeostasis.

Overall, while direct, detailed insights into specific interactions and associations of the TTC23L gene may still be emerging, its role in cell cycle progression holds substantial implications for growth, development, and potential dysregulation in aging and disease contexts.