13123255031504 has 20 divisors (see below), whose sum is σ = 25426404007776. Its totient is φ = 6561602384352.

The previous prime is 13123255031483. The next prime is 13123255031519. The reversal of 13123255031504 is 40513055232131.

It is a happy number.

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, 3171107 + ... + 6025149.

Almost surely, 2^{13123255031504} is an apocalyptic number.

It is an amenable number.

13123255031504 is a deficient number, since it is larger than the sum of its proper divisors (12303148976272).

13123255031504 is a wasteful number, since it uses less digits than its factorization.

13123255031504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141434 (or 3141428 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 13123255031504 in words is "thirteen trillion, one hundred twenty-three billion, two hundred fifty-five million, thirty-one thousand, five hundred four".