13170023028 has 36 divisors (see below), whose sum is σ = 33295473120. Its totient is φ = 4389403536.

The previous prime is 13170023017. The next prime is 13170023057. The reversal of 13170023028 is 82032007131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 13170022992 and 13170023010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296283 + ... + 337821.

Almost surely, 2^13170023028 is an apocalyptic number.

13170023028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13170023028 is an abundant number, since it is smaller than the sum of its proper divisors (20125450092).

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

13170023028 is a wasteful number, since it uses less digits than its factorization.

13170023028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50356 (or 50351 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 13170023028 in words is "thirteen billion, one hundred seventy million, twenty-three thousand, twenty-eight".