23426705566 has 16 divisors (see below), whose sum is σ = 38421947520. Its totient is φ = 10624241880.

The previous prime is 23426705563. The next prime is 23426705567. The reversal of 23426705566 is 66550762432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426705563) 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, 1203156 + ... + 1222471.

It is an arithmetic number, because the mean of its divisors is an integer number (2401371720).

Almost surely, 2^23426705566 is an apocalyptic number.

23426705566 is a deficient number, since it is larger than the sum of its proper divisors (14995241954).

23426705566 is a wasteful number, since it uses less digits than its factorization.

23426705566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426079.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 23426705566 in words is "twenty-three billion, four hundred twenty-six million, seven hundred five thousand, five hundred sixty-six".