123203232320122 has 32 divisors (see below), whose sum is σ = 188947925090064. Its totient is φ = 60233574067200.

The previous prime is 123203232320099. The next prime is 123203232320143. The reversal of 123203232320122 is 221023232302321.

It can be written as a sum of positive squares in 8 ways, for example, as 6493216216041 + 116710016104081 = 2548179^2 + 10803241^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10422972 + ... + 18842632.

Almost surely, 2^{123203232320122} is an apocalyptic number.

123203232320122 is a deficient number, since it is larger than the sum of its proper divisors (65744692769942).

123203232320122 is a wasteful number, since it uses less digits than its factorization.

123203232320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420434.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123203232320122 its reverse (221023232302321), we get a palindrome (344226464622443).

The spelling of 123203232320122 in words is "one hundred twenty-three trillion, two hundred three billion, two hundred thirty-two million, three hundred twenty thousand, one hundred twenty-two".