231323011232 has 96 divisors (see below), whose sum is σ = 490361114880. Its totient is φ = 107088583680.

The previous prime is 231323011217. The next prime is 231323011253. The reversal of 231323011232 is 232110323132.

231323011232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231323011198 and 231323011207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5802953 + ... + 5842679.

It is an arithmetic number, because the mean of its divisors is an integer number (5107928280).

Almost surely, 2^231323011232 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 231323011232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245180557440).

231323011232 is an abundant number, since it is smaller than the sum of its proper divisors (259038103648).

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

231323011232 is a wasteful number, since it uses less digits than its factorization.

231323011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39974 (or 39966 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231323011232 its reverse (232110323132), we get a palindrome (463433334364).

The spelling of 231323011232 in words is "two hundred thirty-one billion, three hundred twenty-three million, eleven thousand, two hundred thirty-two".