231265432 has 16 divisors (see below), whose sum is σ = 438496200. Its totient is φ = 114333120.

The previous prime is 231265403. The next prime is 231265439. The reversal of 231265432 is 234562132.

It is a self number, because there is not a number n which added to its sum of digits gives 231265432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231265439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161694 + ... + 163117.

Almost surely, 2^231265432 is an apocalyptic number.

It is an amenable number.

231265432 is a deficient number, since it is larger than the sum of its proper divisors (207230768).

231265432 is a wasteful number, since it uses less digits than its factorization.

231265432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324906 (or 324902 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 231265432 is about 15207.4137183152. The cubic root of 231265432 is about 613.8141663701.

The spelling of 231265432 in words is "two hundred thirty-one million, two hundred sixty-five thousand, four hundred thirty-two".