Twenty and three thousand; one thousand more than they were Numbers 3:39. The reason of which different way of numbering, see on Numbers 3:15.
Related Commentaries of Numbers 26:62
Numbers 26:62
62 And those that were numbered of them were twenty and three thousand, all males 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.