230431566 has 16 divisors (see below), whose sum is σ = 487972944. Its totient is φ = 72292224.

The previous prime is 230431547. The next prime is 230431573. The reversal of 230431566 is 665134032.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129465 + ... + 1129668.

It is an arithmetic number, because the mean of its divisors is an integer number (30498309).

Almost surely, 2^230431566 is an apocalyptic number.

230431566 is an abundant number, since it is smaller than the sum of its proper divisors (257541378).

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

230431566 is a wasteful number, since it uses less digits than its factorization.

230431566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259155.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 230431566 is about 15179.9725296194. The cubic root of 230431566 is about 613.0755415386.

Adding to 230431566 its reverse (665134032), we get a palindrome (895565598).

The spelling of 230431566 in words is "two hundred thirty million, four hundred thirty-one thousand, five hundred sixty-six".