Ezra 2:21 Midrash

בְּנֵ֣י בֵֽית־לָ֔חֶם מֵאָ֖ה עֶשְׂרִ֥ים וּשְׁלֹשָֽׁה׃ (ס)

The children of Beth-lehem, a hundred twenty and three.

Read midrashic interpretation of Ezra 2:21: and classical rabbinic exegesis.