230751990 has 80 divisors (see below), whose sum is σ = 709121952. Its totient is φ = 52742016.

The previous prime is 230751929. The next prime is 230752001. The reversal of 230751990 is 99157032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14679 + ... + 26018.

Almost surely, 2^230751990 is an apocalyptic number.

230751990 is an abundant number, since it is smaller than the sum of its proper divisors (478369962).

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

230751990 is a wasteful number, since it uses less digits than its factorization.

230751990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40723 (or 40714 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 230751990 is about 15190.5230324699. The cubic root of 230751990 is about 613.3595783377.

The spelling of 230751990 in words is "two hundred thirty million, seven hundred fifty-one thousand, nine hundred ninety".