23131040982 has 64 divisors (see below), whose sum is σ = 55407006720. Its totient is φ = 6294334464.

The previous prime is 23131040981. The next prime is 23131041049. The reversal of 23131040982 is 28904013132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131040981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173694 + ... + 276462.

It is an arithmetic number, because the mean of its divisors is an integer number (865734480).

Almost surely, 2^23131040982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23131040982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27703503360).

23131040982 is an abundant number, since it is smaller than the sum of its proper divisors (32275965738).

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

23131040982 is a wasteful number, since it uses less digits than its factorization.

23131040982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103037.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 23131040982 in words is "twenty-three billion, one hundred thirty-one million, forty thousand, nine hundred eighty-two".