231459328 has 40 divisors (see below), whose sum is σ = 465407712. Its totient is φ = 114994176.

The previous prime is 231459323. The next prime is 231459329. The reversal of 231459328 is 823954132.

It is not an unprimeable number, because it can be changed into a prime (231459323) 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, 84151 + ... + 86857.

Almost surely, 2^231459328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231459328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232703856).

231459328 is an abundant number, since it is smaller than the sum of its proper divisors (233948384).

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

231459328 is an equidigital number, since it uses as much as digits as its factorization.

231459328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 2876 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 231459328 is about 15213.7874311428. The cubic root of 231459328 is about 613.9856617588.

The spelling of 231459328 in words is "two hundred thirty-one million, four hundred fifty-nine thousand, three hundred twenty-eight".