13111465923 has 8 divisors (see below), whose sum is σ = 19424394000. Its totient is φ = 8740977264.

The previous prime is 13111465919. The next prime is 13111465931. The reversal of 13111465923 is 32956411131.

13111465923 is a `hidden beast` number, since 13 + 1 + 11 + 46 + 592 + 3 = 666.

It is not a de Polignac number, because 13111465923 - 2² = 13111465919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13111465933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242804898 + ... + 242804951.

It is an arithmetic number, because the mean of its divisors is an integer number (2428049250).

Almost surely, 2^13111465923 is an apocalyptic number.

13111465923 is a deficient number, since it is larger than the sum of its proper divisors (6312928077).

13111465923 is an equidigital number, since it uses as much as digits as its factorization.

13111465923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485609858 (or 485609852 counting only the distinct ones).

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

The spelling of 13111465923 in words is "thirteen billion, one hundred eleven million, four hundred sixty-five thousand, nine hundred twenty-three".