230765990 has 96 divisors (see below), whose sum is σ = 551232864. Its totient is φ = 68705280.

The previous prime is 230765981. The next prime is 230766013. The reversal of 230765990 is 99567032.

230765990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107225 + ... + 109355.

It is an arithmetic number, because the mean of its divisors is an integer number (5742009).

Almost surely, 2^230765990 is an apocalyptic number.

230765990 is an abundant number, since it is smaller than the sum of its proper divisors (320466874).

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

230765990 is a wasteful number, since it uses less digits than its factorization.

230765990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 230765990 is about 15190.9838391067. The cubic root of 230765990 is about 613.3719825072.

The spelling of 230765990 in words is "two hundred thirty million, seven hundred sixty-five thousand, nine hundred ninety".