Numbers 3:43-46

⁴³And all the first-born males according to the number of names, from a month old and upward, of those that were numbered of them, were twenty and two thousand two hundred and threescore and thirteen.

⁴⁴And Jehovah spake unto Moses, saying, ⁴⁵Take the Levites instead of all the first-born among the children of Israel, and the cattle of the Levites instead of their cattle; and the Levites shall be mine: I am Jehovah. ⁴⁶And for the redemption of the two hundred and threescore and thirteen of the first-born of the children of Israel, that are over and above [the number of] the Levites,