וַיִּהְי֣וּ פְקֻדֵיהֶ֗ם שְׁלֹשָׁ֤ה וְעֶשְׂרִים֙ אֶ֔לֶף כָּל־זָכָ֖ר מִבֶּן־חֹ֣דֶשׁ וָמָ֑עְלָה כִּ֣י ׀ לֹ֣א הָתְפָּקְד֗וּ בְּתוֹךְ֙ בְּנֵ֣י יִשְׂרָאֵ֔ל כִּ֠י לֹא־נִתַּ֤ן לָהֶם֙ נַחֲלָ֔ה בְּת֖וֹךְ בְּנֵ֥י יִשְׂרָאֵֽל׃
And they that were numbered of them were twenty and three thousand, every male from a month old and upward; for they were not numbered among the children of Israel, because there was no inheritance given them among the children of Israel.
Read Midrashic interpretations of Numbers 26:62: rabbinic exegesis from Bereshit Rabbah, Shemot Rabbah and classical Midrash sources, free.