23643560544623 has 2 divisors, whose sum is σ = 23643560544624. Its totient is φ = 23643560544622.

The previous prime is 23643560544601. The next prime is 23643560544629. The reversal of 23643560544623 is 32644506534632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23643560544623 - 2²⁴ = 23643543767407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23643560544629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821780272311 + 11821780272312.

It is an arithmetic number, because the mean of its divisors is an integer number (11821780272312).

Almost surely, 2^{23643560544623} is an apocalyptic number.

23643560544623 is a deficient number, since it is larger than the sum of its proper divisors (1).

23643560544623 is an equidigital number, since it uses as much as digits as its factorization.

23643560544623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37324800, while the sum is 53.

The spelling of 23643560544623 in words is "twenty-three trillion, six hundred forty-three billion, five hundred sixty million, five hundred forty-four thousand, six hundred twenty-three".