231323232032 has 24 divisors (see below), whose sum is σ = 455470621452. Its totient is φ = 115648153600.

The previous prime is 231323232001. The next prime is 231323232089. The reversal of 231323232032 is 230232323132.

It can be written as a sum of positive squares in 2 ways, for example, as 230280975376 + 1042256656 = 479876^2 + 32284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231323231992 and 231323232010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138569 + ... + 694152.

Almost surely, 2^231323232032 is an apocalyptic number.

It is an amenable number.

231323232032 is a deficient number, since it is larger than the sum of its proper divisors (224147389420).

231323232032 is an equidigital number, since it uses as much as digits as its factorization.

231323232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841412 (or 841404 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 231323232032 its reverse (230232323132), we get a palindrome (461555555164).

The spelling of 231323232032 in words is "two hundred thirty-one billion, three hundred twenty-three million, two hundred thirty-two thousand, thirty-two".