23112423520 has 24 divisors (see below), whose sum is σ = 54603100944. Its totient is φ = 9244969344.

The previous prime is 23112423497. The next prime is 23112423533. The reversal of 23112423520 is 2532421132.

It is a congruent number.

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, 72226164 + ... + 72226483.

It is an arithmetic number, because the mean of its divisors is an integer number (2275129206).

Almost surely, 2^23112423520 is an apocalyptic number.

23112423520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112423520 is an abundant number, since it is smaller than the sum of its proper divisors (31490677424).

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

23112423520 is a wasteful number, since it uses less digits than its factorization.

23112423520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144452662 (or 144452654 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23112423520 its reverse (2532421132), we get a palindrome (25644844652).

The spelling of 23112423520 in words is "twenty-three billion, one hundred twelve million, four hundred twenty-three thousand, five hundred twenty".