230728588 has 12 divisors (see below), whose sum is σ = 403905040. Its totient is φ = 115327152.

The previous prime is 230728577. The next prime is 230728627. The reversal of 230728588 is 885827032.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 8458 + ... + 23086.

Almost surely, 2^230728588 is an apocalyptic number.

It is an amenable number.

230728588 is a deficient number, since it is larger than the sum of its proper divisors (173176452).

230728588 is a wasteful number, since it uses less digits than its factorization.

230728588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18576 (or 18574 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 230728588 is about 15189.7527300480. The cubic root of 230728588 is about 613.3388427619.

The spelling of 230728588 in words is "two hundred thirty million, seven hundred twenty-eight thousand, five hundred eighty-eight".