23373425664 has 264 divisors, whose sum is σ = 73622729520. Its totient is φ = 7299956736.

The previous prime is 23373425653. The next prime is 23373425671. The reversal of 23373425664 is 46652437332.

23373425664 is a `hidden beast` number, since 2 + 337 + 3 + 4 + 256 + 64 = 666.

It is a super-3 number, since 3×23373425664³ (a number of 32 digits) contains 333 as substring.

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, 104813457 + ... + 104813679.

Almost surely, 2^23373425664 is an apocalyptic number.

23373425664 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 23373425664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36811364760).

23373425664 is an abundant number, since it is smaller than the sum of its proper divisors (50249303856).

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

23373425664 is an equidigital number, since it uses as much as digits as its factorization.

23373425664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 245 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 45.

The spelling of 23373425664 in words is "twenty-three billion, three hundred seventy-three million, four hundred twenty-five thousand, six hundred sixty-four".