13023170256 has 20 divisors (see below), whose sum is σ = 33643189952. Its totient is φ = 4341056736.

The previous prime is 13023170233. The next prime is 13023170257. The reversal of 13023170256 is 65207132031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023170257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135657976 + ... + 135658071.

Almost surely, 2^13023170256 is an apocalyptic number.

13023170256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13023170256 is an abundant number, since it is smaller than the sum of its proper divisors (20620019696).

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

13023170256 is a wasteful number, since it uses less digits than its factorization.

13023170256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271316058 (or 271316052 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 13023170256 in words is "thirteen billion, twenty-three million, one hundred seventy thousand, two hundred fifty-six".