13023535554 has 12 divisors (see below), whose sum is σ = 28217660406. Its totient is φ = 4341178512.

The previous prime is 13023535549. The next prime is 13023535621. The reversal of 13023535554 is 45553532031.

13023535554 is a `hidden beast` number, since 1 + 30 + 23 + 53 + 5 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10765100025 + 2258435529 = 103755^2 + 47523^2 .

It is a super-2 number, since 2×13023535554² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361764859 + ... + 361764894.

Almost surely, 2^13023535554 is an apocalyptic number.

13023535554 is an abundant number, since it is smaller than the sum of its proper divisors (15194124852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13023535554 is a wasteful number, since it uses less digits than its factorization.

13023535554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723529761 (or 723529758 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 13023535554 in words is "thirteen billion, twenty-three million, five hundred thirty-five thousand, five hundred fifty-four".