13013624623 has 4 divisors (see below), whose sum is σ = 13031724960. Its totient is φ = 12995524288.

The previous prime is 13013624621. The next prime is 13013624693. The reversal of 13013624623 is 32642631031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13013624623 - 2¹ = 13013624621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013624621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9049090 + ... + 9050527.

It is an arithmetic number, because the mean of its divisors is an integer number (3257931240).

Almost surely, 2^13013624623 is an apocalyptic number.

13013624623 is a deficient number, since it is larger than the sum of its proper divisors (18100337).

13013624623 is an equidigital number, since it uses as much as digits as its factorization.

13013624623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18100336.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 13013624623 in words is "thirteen billion, thirteen million, six hundred twenty-four thousand, six hundred twenty-three".