231656232 has 64 divisors (see below), whose sum is σ = 606009600. Its totient is φ = 73717760.

The previous prime is 231656219. The next prime is 231656233. The reversal of 231656232 is 232656132.

It is a self number, because there is not a number n which added to its sum of digits gives 231656232.

It is not an unprimeable number, because it can be changed into a prime (231656233) 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, 43744 + ... + 48752.

It is an arithmetic number, because the mean of its divisors is an integer number (9468900).

Almost surely, 2^231656232 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 231656232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303004800).

231656232 is an abundant number, since it is smaller than the sum of its proper divisors (374353368).

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

231656232 is a wasteful number, since it uses less digits than its factorization.

231656232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106 (or 5102 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 231656232 is about 15220.2572908608. The cubic root of 231656232 is about 614.1597196485.

The spelling of 231656232 in words is "two hundred thirty-one million, six hundred fifty-six thousand, two hundred thirty-two".