13555558023 has 16 divisors (see below), whose sum is σ = 20806867200. Its totient is φ = 7689491136.

The previous prime is 13555558007. The next prime is 13555558031. The reversal of 13555558023 is 32085555531.

It is not a de Polignac number, because 13555558023 - 2⁴ = 13555558007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555558033) 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, 2352973 + ... + 2358726.

It is an arithmetic number, because the mean of its divisors is an integer number (1300429200).

Almost surely, 2^13555558023 is an apocalyptic number.

13555558023 is a deficient number, since it is larger than the sum of its proper divisors (7251309177).

13555558023 is a wasteful number, since it uses less digits than its factorization.

13555558023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711846.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 13555558023 in words is "thirteen billion, five hundred fifty-five million, five hundred fifty-eight thousand, twenty-three".