11523632620523 has 12 divisors (see below), whose sum is σ = 12319691961408. Its totient is φ = 10767354148320.

The previous prime is 11523632620501. The next prime is 11523632620609. The reversal of 11523632620523 is 32502623632511.

It is a happy number.

It is not a de Polignac number, because 11523632620523 - 2¹² = 11523632616427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11523632625523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220978736 + ... + 221030877.

It is an arithmetic number, because the mean of its divisors is an integer number (1026640996784).

Almost surely, 2^{11523632620523} is an apocalyptic number.

11523632620523 is a deficient number, since it is larger than the sum of its proper divisors (796059340885).

11523632620523 is an equidigital number, since it uses as much as digits as its factorization.

11523632620523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442009702 (or 442009673 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 11523632620523 in words is "eleven trillion, five hundred twenty-three billion, six hundred thirty-two million, six hundred twenty thousand, five hundred twenty-three".