23934806566 has 32 divisors (see below), whose sum is σ = 41514065568. Its totient is φ = 10228592640.

The previous prime is 23934806561. The next prime is 23934806627. The reversal of 23934806566 is 66560843932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23934806561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322846 + ... + 389998.

It is an arithmetic number, because the mean of its divisors is an integer number (1297314549).

Almost surely, 2^23934806566 is an apocalyptic number.

23934806566 is a deficient number, since it is larger than the sum of its proper divisors (17579259002).

23934806566 is a wasteful number, since it uses less digits than its factorization.

23934806566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68136.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 23934806566 in words is "twenty-three billion, nine hundred thirty-four million, eight hundred six thousand, five hundred sixty-six".