23031231032 has 64 divisors (see below), whose sum is σ = 47580825600. Its totient is φ = 10406592000.

The previous prime is 23031231031. The next prime is 23031231077. The reversal of 23031231032 is 23013213032.

It is a junction number, because it is equal to n+sod(n) for n = 23031230995 and 23031231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031231031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311657 + ... + 378407.

It is an arithmetic number, because the mean of its divisors is an integer number (743450400).

Almost surely, 2^23031231032 is an apocalyptic number.

It is an amenable number.

23031231032 is an abundant number, since it is smaller than the sum of its proper divisors (24549594568).

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

23031231032 is a wasteful number, since it uses less digits than its factorization.

23031231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66876 (or 66872 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23031231032 its reverse (23013213032), we get a palindrome (46044444064).

The spelling of 23031231032 in words is "twenty-three billion, thirty-one million, two hundred thirty-one thousand, thirty-two".