230111892 has 36 divisors (see below), whose sum is σ = 582132096. Its totient is φ = 76643280.

The previous prime is 230111891. The next prime is 230111899. The reversal of 230111892 is 298111032.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230111891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87517 + ... + 90107.

It is an arithmetic number, because the mean of its divisors is an integer number (16170336).

Almost surely, 2^230111892 is an apocalyptic number.

It is an amenable number.

230111892 is an abundant number, since it is smaller than the sum of its proper divisors (352020204).

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

230111892 is a wasteful number, since it uses less digits than its factorization.

230111892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068 (or 5063 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 230111892 is about 15169.4394095497. The cubic root of 230111892 is about 612.7919070629.

The spelling of 230111892 in words is "two hundred thirty million, one hundred eleven thousand, eight hundred ninety-two".