23746568904 has 128 divisors (see below), whose sum is σ = 69657264000. Its totient is φ = 7474851072.

The previous prime is 23746568903. The next prime is 23746568929. The reversal of 23746568904 is 40986564732.

23746568904 is a `hidden beast` number, since 2 + 3 + 74 + 6 + 568 + 9 + 0 + 4 = 666.

It is a super-2 number, since 2×23746568904² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (23746568903) 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, 1291842 + ... + 1310094.

It is an arithmetic number, because the mean of its divisors is an integer number (544197375).

Almost surely, 2^23746568904 is an apocalyptic number.

23746568904 is a gapful number since it is divisible by the number (24) 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 23746568904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34828632000).

23746568904 is an abundant number, since it is smaller than the sum of its proper divisors (45910695096).

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

23746568904 is a wasteful number, since it uses less digits than its factorization.

23746568904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18604 (or 18594 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 23746568904 in words is "twenty-three billion, seven hundred forty-six million, five hundred sixty-eight thousand, nine hundred four".