13556130623 has 12 divisors (see below), whose sum is σ = 15819140232. Its totient is φ = 11582872560.

The previous prime is 13556130557. The next prime is 13556130691. The reversal of 13556130623 is 32603165531.

It is not a de Polignac number, because 13556130623 - 2¹² = 13556126527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13556180623) 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, 420833 + ... + 451898.

It is an arithmetic number, because the mean of its divisors is an integer number (1318261686).

Almost surely, 2^13556130623 is an apocalyptic number.

13556130623 is a deficient number, since it is larger than the sum of its proper divisors (2263009609).

13556130623 is an equidigital number, since it uses as much as digits as its factorization.

13556130623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873062 (or 873055 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 13556130623 in words is "thirteen billion, five hundred fifty-six million, one hundred thirty thousand, six hundred twenty-three".