232531708420 has 96 divisors (see below), whose sum is σ = 542227795200. Its totient is φ = 83050099200.

The previous prime is 232531708397. The next prime is 232531708421. The reversal of 232531708420 is 24807135232.

232531708420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 232531708420.

It is not an unprimeable number, because it can be changed into a prime (232531708421) 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, 9502561 + ... + 9526999.

It is an arithmetic number, because the mean of its divisors is an integer number (5648206200).

Almost surely, 2^232531708420 is an apocalyptic number.

232531708420 is a gapful number since it is divisible by the number (20) 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 232531708420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271113897600).

232531708420 is an abundant number, since it is smaller than the sum of its proper divisors (309696086780).

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

232531708420 is a wasteful number, since it uses less digits than its factorization.

232531708420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25229 (or 25227 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 232531708420 in words is "two hundred thirty-two billion, five hundred thirty-one million, seven hundred eight thousand, four hundred twenty".