123130132331004 has 72 divisors (see below), whose sum is σ = 311926501915392. Its totient is φ = 40953632983200.

The previous prime is 123130132330981. The next prime is 123130132331009. The reversal of 123130132331004 is 400133231031321.

123130132331004 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 301 + 323 + 31 + 0 + 0 + 4 = 666.

It is a super-2 number, since 2×123130132331004² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130132331009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67692829 + ... + 69487979.

Almost surely, 2^{123130132331004} is an apocalyptic number.

It is an amenable number.

123130132331004 is an abundant number, since it is smaller than the sum of its proper divisors (188796369584388).

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

123130132331004 is a wasteful number, since it uses less digits than its factorization.

123130132331004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799327 (or 1799322 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 123130132331004 its reverse (400133231031321), we get a palindrome (523263363362325).

The spelling of 123130132331004 in words is "one hundred twenty-three trillion, one hundred thirty billion, one hundred thirty-two million, three hundred thirty-one thousand, four".