23405724063 has 16 divisors (see below), whose sum is σ = 35412917760. Its totient is φ = 15271819128.

The previous prime is 23405724053. The next prime is 23405724103. The reversal of 23405724063 is 36042750432.

23405724063 is a `hidden beast` number, since 2 + 3 + 40 + 572 + 40 + 6 + 3 = 666.

It is not a de Polignac number, because 23405724063 - 2⁸ = 23405723807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405724053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9220845 + ... + 9223382.

It is an arithmetic number, because the mean of its divisors is an integer number (2213307360).

Almost surely, 2^23405724063 is an apocalyptic number.

23405724063 is a deficient number, since it is larger than the sum of its proper divisors (12007193697).

23405724063 is a wasteful number, since it uses less digits than its factorization.

23405724063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18444283 (or 18444277 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 23405724063 in words is "twenty-three billion, four hundred five million, seven hundred twenty-four thousand, sixty-three".