123101031221304 has 16 divisors (see below), whose sum is σ = 307752578053320. Its totient is φ = 41033677073760.

The previous prime is 123101031221291. The next prime is 123101031221369. The reversal of 123101031221304 is 403122130101321.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5129209634221 = 123101031221304 / (1 + 2 + 3 + 1 + 0 + 1 + 0 + 3 + 1 + 2 + 2 + 1 + 3 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564604817087 + ... + 2564604817134.

Almost surely, 2^{123101031221304} is an apocalyptic number.

It is an amenable number.

123101031221304 is an abundant number, since it is smaller than the sum of its proper divisors (184651546832016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123101031221304 is a wasteful number, since it uses less digits than its factorization.

123101031221304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129209634230 (or 5129209634226 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123101031221304 its reverse (403122130101321), we get a palindrome (526223161322625).

The spelling of 123101031221304 in words is "one hundred twenty-three trillion, one hundred one billion, thirty-one million, two hundred twenty-one thousand, three hundred four".