<p><b>1823</b>可以指：
</p>
<ul><li>介於1822和1824之間的自然數</li>
<li>1823年</li>
<li>1823電話中心，香港政府部門</li></ul>
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**1823** 可以指：

* 介於 1822 和 1824 之間的自然數
* 1823 年
* 1823 電話中心，香港政府部門
1823