231263472 has 160 divisors (see below), whose sum is σ = 685670400. Its totient is φ = 66528000.

The previous prime is 231263467. The next prime is 231263491. The reversal of 231263472 is 274362132.

231263472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1162029 + ... + 1162227.

It is an arithmetic number, because the mean of its divisors is an integer number (4285440).

Almost surely, 2^231263472 is an apocalyptic number.

231263472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231263472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342835200).

231263472 is an abundant number, since it is smaller than the sum of its proper divisors (454406928).

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

231263472 is a wasteful number, since it uses less digits than its factorization.

231263472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 317 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 231263472 is about 15207.3492759258. The cubic root of 231263472 is about 613.8124323176.

The spelling of 231263472 in words is "two hundred thirty-one million, two hundred sixty-three thousand, four hundred seventy-two".