13013113123 has 16 divisors (see below), whose sum is σ = 13570581024. Its totient is φ = 12468234240.

The previous prime is 13013113051. The next prime is 13013113151. The reversal of 13013113123 is 32131131031.

It is a cyclic number.

It is not a de Polignac number, because 13013113123 - 2⁹ = 13013112611 is a prime.

It is a super-2 number, since 2×13013113123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13013113123.

It is not an unprimeable number, because it can be changed into a prime (13013113153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918711 + ... + 932767.

It is an arithmetic number, because the mean of its divisors is an integer number (848161314).

Almost surely, 2^13013113123 is an apocalyptic number.

13013113123 is a deficient number, since it is larger than the sum of its proper divisors (557467901).

13013113123 is a wasteful number, since it uses less digits than its factorization.

13013113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14502.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13013113123 its reverse (32131131031), we get a palindrome (45144244154).

The spelling of 13013113123 in words is "thirteen billion, thirteen million, one hundred thirteen thousand, one hundred twenty-three".