230230431990 has 96 divisors (see below), whose sum is σ = 660368401056. Its totient is φ = 55289848320.

The previous prime is 230230431989. The next prime is 230230432027. The reversal of 230230431990 is 99134032032.

230230431990 is a `hidden beast` number, since 2 + 30 + 2 + 304 + 319 + 9 + 0 = 666.

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, 2351764 + ... + 2447703.

It is an arithmetic number, because the mean of its divisors is an integer number (6878837511).

Almost surely, 2^230230431990 is an apocalyptic number.

230230431990 is an abundant number, since it is smaller than the sum of its proper divisors (430137969066).

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

230230431990 is a wasteful number, since it uses less digits than its factorization.

230230431990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799534 (or 4799531 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 230230431990 in words is "two hundred thirty billion, two hundred thirty million, four hundred thirty-one thousand, nine hundred ninety".