231523896 has 32 divisors (see below), whose sum is σ = 582370560. Its totient is φ = 76699872.

The previous prime is 231523871. The next prime is 231523913. The reversal of 231523896 is 698325132.

231523896 is digitally balanced in base 2 and base 3, because in such bases 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 7 ways as a sum of consecutive naturals, for example, 25680 + ... + 33503.

It is an arithmetic number, because the mean of its divisors is an integer number (18199080).

Almost surely, 2^231523896 is an apocalyptic number.

It is an amenable number.

231523896 is an abundant number, since it is smaller than the sum of its proper divisors (350846664).

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

231523896 is a wasteful number, since it uses less digits than its factorization.

231523896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59355 (or 59351 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 231523896 is about 15215.9093057234. The cubic root of 231523896 is about 614.0427490245.

The spelling of 231523896 in words is "two hundred thirty-one million, five hundred twenty-three thousand, eight hundred ninety-six".