231459072 has 144 divisors (see below), whose sum is σ = 673048320. Its totient is φ = 70189056.

The previous prime is 231459049. The next prime is 231459079. The reversal of 231459072 is 270954132.

It is a super-2 number, since 2×231459072² = 107146604022202368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231459079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968329 + ... + 968567.

Almost surely, 2^231459072 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 231459072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336524160).

231459072 is an abundant number, since it is smaller than the sum of its proper divisors (441589248).

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

231459072 is a wasteful number, since it uses less digits than its factorization.

231459072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 231459072 is about 15213.7790177194. The cubic root of 231459072 is about 613.9854353974.

The spelling of 231459072 in words is "two hundred thirty-one million, four hundred fifty-nine thousand, seventy-two".