13623017336520 has 64 divisors (see below), whose sum is σ = 40869348819840. Its totient is φ = 3632778240000.

The previous prime is 13623017336479. The next prime is 13623017336563. The reversal of 13623017336520 is 2563371032631.

It is a happy number.

It is a super-3 number, since 3×13623017336520³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20641645 + ... + 21291395.

It is an arithmetic number, because the mean of its divisors is an integer number (638583575310).

Almost surely, 2^{13623017336520} is an apocalyptic number.

13623017336520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13623017336520 is an abundant number, since it is smaller than the sum of its proper divisors (27246331483320).

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

13623017336520 is a wasteful number, since it uses less digits than its factorization.

13623017336520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824486 (or 824482 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 42.

The spelling of 13623017336520 in words is "thirteen trillion, six hundred twenty-three billion, seventeen million, three hundred thirty-six thousand, five hundred twenty".