230618172 has 12 divisors (see below), whose sum is σ = 538109096. Its totient is φ = 76872720.

The previous prime is 230618161. The next prime is 230618189. The reversal of 230618172 is 271816032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9609079 + ... + 9609102.

Almost surely, 2^230618172 is an apocalyptic number.

It is an amenable number.

230618172 is an abundant number, since it is smaller than the sum of its proper divisors (307490924).

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

230618172 is a wasteful number, since it uses less digits than its factorization.

230618172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218188 (or 19218186 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 230618172 is about 15186.1177395673. The cubic root of 230618172 is about 613.2409886438.

The spelling of 230618172 in words is "two hundred thirty million, six hundred eighteen thousand, one hundred seventy-two".