230172904 has 16 divisors (see below), whose sum is σ = 464772420. Its totient is φ = 106233600.

The previous prime is 230172883. The next prime is 230172907. The reversal of 230172904 is 409271032.

It can be written as a sum of positive squares in 2 ways, for example, as 228070404 + 2102500 = 15102^2 + 1450^2 .

It is not an unprimeable number, because it can be changed into a prime (230172907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106497 + ... + 1106704.

Almost surely, 2^230172904 is an apocalyptic number.

It is an amenable number.

230172904 is an abundant number, since it is smaller than the sum of its proper divisors (234599516).

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

230172904 is a wasteful number, since it uses less digits than its factorization.

230172904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213220 (or 2213216 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 230172904 is about 15171.4502932317. The cubic root of 230172904 is about 612.8460609439.

It can be divided in two parts, 23017 and 2904, that added together give a square (25921 = 161²).

The spelling of 230172904 in words is "two hundred thirty million, one hundred seventy-two thousand, nine hundred four".