231263524 has 12 divisors (see below), whose sum is σ = 405070848. Its totient is φ = 115529000.

The previous prime is 231263521. The next prime is 231263561. The reversal of 231263524 is 425362132.

It is a junction number, because it is equal to n+sod(n) for n = 231263492 and 231263501.

It is not an unprimeable number, because it can be changed into a prime (231263521) 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, 20512 + ... + 29719.

It is an arithmetic number, because the mean of its divisors is an integer number (33755904).

Almost surely, 2^231263524 is an apocalyptic number.

It is an amenable number.

231263524 is a deficient number, since it is larger than the sum of its proper divisors (173807324).

231263524 is a wasteful number, since it uses less digits than its factorization.

231263524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51386 (or 51384 counting only the distinct ones).

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

The square root of 231263524 is about 15207.3509856253. The cubic root of 231263524 is about 613.8124783232.

The spelling of 231263524 in words is "two hundred thirty-one million, two hundred sixty-three thousand, five hundred twenty-four".