23113440504 has 128 divisors (see below), whose sum is σ = 80046604800. Its totient is φ = 6003486720.

The previous prime is 23113440479. The next prime is 23113440611. The reversal of 23113440504 is 40504431132.

It is a happy number.

23113440504 is a `hidden beast` number, since 2 + 3 + 113 + 4 + 40 + 504 = 666.

It is a super-2 number, since 2×23113440504² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 678217 + ... + 711480.

It is an arithmetic number, because the mean of its divisors is an integer number (625364100).

Almost surely, 2^23113440504 is an apocalyptic number.

23113440504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23113440504 is an abundant number, since it is smaller than the sum of its proper divisors (56933164296).

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

23113440504 is a wasteful number, since it uses less digits than its factorization.

23113440504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389730 (or 1389720 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 23113440504 its reverse (40504431132), we get a palindrome (63617871636).

The spelling of 23113440504 in words is "twenty-three billion, one hundred thirteen million, four hundred forty thousand, five hundred four".