23000508566 has 24 divisors (see below), whose sum is σ = 40148367696. Its totient is φ = 9853719120.

The previous prime is 23000508551. The next prime is 23000508593. The reversal of 23000508566 is 66580500032.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232151 + ... + 316061.

It is an arithmetic number, because the mean of its divisors is an integer number (1672848654).

Almost surely, 2^23000508566 is an apocalyptic number.

23000508566 is a deficient number, since it is larger than the sum of its proper divisors (17147859130).

23000508566 is a wasteful number, since it uses less digits than its factorization.

23000508566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86724 (or 86717 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 23000508566 in words is "twenty-three billion, five hundred eight thousand, five hundred sixty-six".