230856564 has 24 divisors (see below), whose sum is σ = 541461760. Its totient is φ = 76552704.

The previous prime is 230856541. The next prime is 230856569. The reversal of 230856564 is 465658032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230856569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47524 + ... + 52155.

Almost surely, 2^230856564 is an apocalyptic number.

It is an amenable number.

230856564 is an abundant number, since it is smaller than the sum of its proper divisors (310605196).

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

230856564 is a wasteful number, since it uses less digits than its factorization.

230856564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99879 (or 99877 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 230856564 is about 15193.9647228760. The cubic root of 230856564 is about 613.4522200488.

The spelling of 230856564 in words is "two hundred thirty million, eight hundred fifty-six thousand, five hundred sixty-four".