230857566 has 8 divisors (see below), whose sum is σ = 461715144. Its totient is φ = 76952520.

The previous prime is 230857547. The next prime is 230857573. The reversal of 230857566 is 665758032.

It is a sphenic number, since it is the product of 3 distinct primes.

230857566 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 19238125 + ... + 19238136.

It is an arithmetic number, because the mean of its divisors is an integer number (57714393).

Almost surely, 2^230857566 is an apocalyptic number.

230857566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

230857566 is a wasteful number, since it uses less digits than its factorization.

230857566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38476266.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 230857566 is about 15193.9976964590. The cubic root of 230857566 is about 613.4531075815.

The spelling of 230857566 in words is "two hundred thirty million, eight hundred fifty-seven thousand, five hundred sixty-six".