23645620064 has 48 divisors (see below), whose sum is σ = 50843842560. Its totient is φ = 10735416960.

The previous prime is 23645620049. The next prime is 23645620069. The reversal of 23645620064 is 46002654632.

It is a super-2 number, since 2×23645620064² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23645620069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264857 + ... + 342695.

It is an arithmetic number, because the mean of its divisors is an integer number (1059246720).

Almost surely, 2^23645620064 is an apocalyptic number.

It is an amenable number.

23645620064 is an abundant number, since it is smaller than the sum of its proper divisors (27198222496).

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

23645620064 is a wasteful number, since it uses less digits than its factorization.

23645620064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78723 (or 78715 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 23645620064 in words is "twenty-three billion, six hundred forty-five million, six hundred twenty thousand, sixty-four".