123131322023102 has 16 divisors (see below), whose sum is σ = 185901937909632. Its totient is φ = 61165045908120.

The previous prime is 123131322023077. The next prime is 123131322023189. The reversal of 123131322023102 is 201320223131321.

It is a super-2 number, since 2×123131322023102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258892418 + ... + 259367589.

It is an arithmetic number, because the mean of its divisors is an integer number (11618871119352).

Almost surely, 2^{123131322023102} is an apocalyptic number.

123131322023102 is a deficient number, since it is larger than the sum of its proper divisors (62770615886530).

123131322023102 is a wasteful number, since it uses less digits than its factorization.

123131322023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518260783.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123131322023102 its reverse (201320223131321), we get a palindrome (324451545154423).

The spelling of 123131322023102 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, three hundred twenty-two million, twenty-three thousand, one hundred two".