13023665252 has 144 divisors (see below), whose sum is σ = 27100713024. Its totient is φ = 5451264000.

The previous prime is 13023665243. The next prime is 13023665287. The reversal of 13023665252 is 25256632031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61723427 + ... + 61723637.

It is an arithmetic number, because the mean of its divisors is an integer number (188199396).

Almost surely, 2^13023665252 is an apocalyptic number.

It is an amenable number.

13023665252 is an abundant number, since it is smaller than the sum of its proper divisors (14077047772).

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

13023665252 is a wasteful number, since it uses less digits than its factorization.

13023665252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 13023665252 in words is "thirteen billion, twenty-three million, six hundred sixty-five thousand, two hundred fifty-two".