230481138 has 64 divisors (see below), whose sum is σ = 503635968. Its totient is φ = 70037760.

The previous prime is 230481133. The next prime is 230481169. The reversal of 230481138 is 831184032.

It is not an unprimeable number, because it can be changed into a prime (230481133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627831 + ... + 628197.

It is an arithmetic number, because the mean of its divisors is an integer number (7869312).

Almost surely, 2^230481138 is an apocalyptic number.

230481138 is an abundant number, since it is smaller than the sum of its proper divisors (273154830).

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

230481138 is a wasteful number, since it uses less digits than its factorization.

230481138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 230481138 is about 15181.6052510925. The cubic root of 230481138 is about 613.1195013748.

The spelling of 230481138 in words is "two hundred thirty million, four hundred eighty-one thousand, one hundred thirty-eight".