123123100021322 has 16 divisors (see below), whose sum is σ = 184792532648544. Its totient is φ = 61525591314000.

The previous prime is 123123100021321. The next prime is 123123100021379. The reversal of 123123100021322 is 223120001321321.

It is a super-2 number, since 2×123123100021322² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123123100021321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116322497 + ... + 117376187.

It is an arithmetic number, because the mean of its divisors is an integer number (11549533290534).

Almost surely, 2^{123123100021322} is an apocalyptic number.

123123100021322 is a deficient number, since it is larger than the sum of its proper divisors (61669432627222).

123123100021322 is a wasteful number, since it uses less digits than its factorization.

123123100021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087765.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123123100021322 its reverse (223120001321321), we get a palindrome (346243101342643).

The spelling of 123123100021322 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, one hundred million, twenty-one thousand, three hundred twenty-two".