11813930523 has 48 divisors (see below), whose sum is σ = 18600924160. Its totient is φ = 7197854400.

The previous prime is 11813930501. The next prime is 11813930537. The reversal of 11813930523 is 32503931811.

11813930523 is a `hidden beast` number, since 118 + 13 + 9 + 3 + 0 + 523 = 666.

It is not a de Polignac number, because 11813930523 - 2²² = 11809736219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11813937523) by changing a digit.

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, 1751265 + ... + 1757997.

Almost surely, 2^11813930523 is an apocalyptic number.

11813930523 is a deficient number, since it is larger than the sum of its proper divisors (6786993637).

11813930523 is a wasteful number, since it uses less digits than its factorization.

11813930523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120 (or 7117 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 11813930523 in words is "eleven billion, eight hundred thirteen million, nine hundred thirty thousand, five hundred twenty-three".