123331425312015 has 96 divisors (see below), whose sum is σ = 219253320486720. Its totient is φ = 64108705609728.

The previous prime is 123331425311951. The next prime is 123331425312031. The reversal of 123331425312015 is 510213524133321.

123331425312015 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 314 + 25 + 312 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 123331425312015 - 2⁶ = 123331425311951 is a prime.

It is a super-4 number, since 4×123331425312015⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 241696227 + ... + 242205963.

It is an arithmetic number, because the mean of its divisors is an integer number (2283888755070).

Almost surely, 2^{123331425312015} is an apocalyptic number.

123331425312015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123331425312015 is a deficient number, since it is larger than the sum of its proper divisors (95921895174705).

123331425312015 is a wasteful number, since it uses less digits than its factorization.

123331425312015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510473 (or 510470 counting only the distinct ones).

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

Adding to 123331425312015 its reverse (510213524133321), we get a palindrome (633544949445336).

The spelling of 123331425312015 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, four hundred twenty-five million, three hundred twelve thousand, fifteen".