123031431553122 has 24 divisors (see below), whose sum is σ = 266926874408064. Its totient is φ = 40955281382904.

The previous prime is 123031431553103. The next prime is 123031431553153. The reversal of 123031431553122 is 221355134130321.

123031431553122 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 314 + 315 + 5 + 3 + 1 + 22 = 666.

123031431553122 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123031431553122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4599636378 + ... + 4599663125.

It is an arithmetic number, because the mean of its divisors is an integer number (11121953100336).

Almost surely, 2^{123031431553122} is an apocalyptic number.

123031431553122 is an abundant number, since it is smaller than the sum of its proper divisors (143895442854942).

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

123031431553122 is a wasteful number, since it uses less digits than its factorization.

123031431553122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9199300254 (or 9199300251 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 123031431553122 its reverse (221355134130321), we get a palindrome (344386565683443).

The spelling of 123031431553122 in words is "one hundred twenty-three trillion, thirty-one billion, four hundred thirty-one million, five hundred fifty-three thousand, one hundred twenty-two".