23131446120 has 96 divisors (see below), whose sum is σ = 75286804320. Its totient is φ = 6159392640.

The previous prime is 23131446077. The next prime is 23131446137. The reversal of 23131446120 is 2164413132.

It is a happy number.

23131446120 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 1 + 44 + 612 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202267 + ... + 295253.

It is an arithmetic number, because the mean of its divisors is an integer number (784237545).

Almost surely, 2^23131446120 is an apocalyptic number.

23131446120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23131446120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37643402160).

23131446120 is an abundant number, since it is smaller than the sum of its proper divisors (52155358200).

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

23131446120 is a wasteful number, since it uses less digits than its factorization.

23131446120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93695 (or 93688 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 23131446120 its reverse (2164413132), we get a palindrome (25295859252).

The spelling of 23131446120 in words is "twenty-three billion, one hundred thirty-one million, four hundred forty-six thousand, one hundred twenty".