Numbers 26:61-63 New International Version - UK (NIVUK)
61 But Nadab and Abihu died when they made an offering before the Lord with unauthorised fire.)
62 All the male Levites a month old or more numbered 23,000. They were not counted along with the other Israelites because they received no inheritance among them.
63 These are the ones counted by Moses and Eleazar the priest when they counted the Israelites on the plains of Moab by the Jordan opposite Jericho.