23113250240520 has 128 divisors (see below), whose sum is σ = 75828313296000. Its totient is φ = 5589512263680.

The previous prime is 23113250240513. The next prime is 23113250240527. The reversal of 23113250240520 is 2504205231132.

It is an interprime number because it is at equal distance from previous prime (23113250240513) and next prime (23113250240527).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (23113250240527) 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, 20866035 + ... + 21945794.

It is an arithmetic number, because the mean of its divisors is an integer number (592408697625).

Almost surely, 2^{23113250240520} is an apocalyptic number.

23113250240520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113250240520 is an abundant number, since it is smaller than the sum of its proper divisors (52715063055480).

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

23113250240520 is a wasteful number, since it uses less digits than its factorization.

23113250240520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42812263 (or 42812259 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 23113250240520 its reverse (2504205231132), we get a palindrome (25617455471652).

The spelling of 23113250240520 in words is "twenty-three trillion, one hundred thirteen billion, two hundred fifty million, two hundred forty thousand, five hundred twenty".