230557656 has 128 divisors (see below), whose sum is σ = 700416000. Its totient is φ = 61834752.

The previous prime is 230557631. The next prime is 230557667. The reversal of 230557656 is 656755032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179625 + ... + 180903.

It is an arithmetic number, because the mean of its divisors is an integer number (5472000).

Almost surely, 2^230557656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230557656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350208000).

230557656 is an abundant number, since it is smaller than the sum of its proper divisors (469858344).

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

230557656 is a wasteful number, since it uses less digits than its factorization.

230557656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 39.

The square root of 230557656 is about 15184.1251312020. The cubic root of 230557656 is about 613.1873442181.

The spelling of 230557656 in words is "two hundred thirty million, five hundred fifty-seven thousand, six hundred fifty-six".