123310013223164 has 24 divisors (see below), whose sum is σ = 227152701027840. Its totient is φ = 58409317977264.

The previous prime is 123310013223127. The next prime is 123310013223169. The reversal of 123310013223164 is 461322310013321.

It is a super-2 number, since 2×123310013223164² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123310013223164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310013223169) 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, 3038444 + ... + 15995379.

It is an arithmetic number, because the mean of its divisors is an integer number (9464695876160).

Almost surely, 2^{123310013223164} is an apocalyptic number.

It is an amenable number.

123310013223164 is a deficient number, since it is larger than the sum of its proper divisors (103842687804676).

123310013223164 is a wasteful number, since it uses less digits than its factorization.

123310013223164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19119089 (or 19119087 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 123310013223164 its reverse (461322310013321), we get a palindrome (584632323236485).

The spelling of 123310013223164 in words is "one hundred twenty-three trillion, three hundred ten billion, thirteen million, two hundred twenty-three thousand, one hundred sixty-four".