230911872 has 32 divisors (see below), whose sum is σ = 613360680. Its totient is φ = 76970496.

The previous prime is 230911871. The next prime is 230911897. The reversal of 230911872 is 278119032.

230911872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230911871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300283 + ... + 301050.

Almost surely, 2^230911872 is an apocalyptic number.

It is an amenable number.

230911872 is an abundant number, since it is smaller than the sum of its proper divisors (382448808).

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

230911872 is an equidigital number, since it uses as much as digits as its factorization.

230911872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601350 (or 601338 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 230911872 is about 15195.7846786535. The cubic root of 230911872 is about 613.5012058861.

The spelling of 230911872 in words is "two hundred thirty million, nine hundred eleven thousand, eight hundred seventy-two".