23013573666 has 16 divisors (see below), whose sum is σ = 46055561088. Its totient is φ = 7666455600.

The previous prime is 23013573613. The next prime is 23013573683. The reversal of 23013573666 is 66637531032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173370 + ... + 1192821.

It is an arithmetic number, because the mean of its divisors is an integer number (2878472568).

Almost surely, 2^23013573666 is an apocalyptic number.

23013573666 is an abundant number, since it is smaller than the sum of its proper divisors (23041987422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23013573666 is a wasteful number, since it uses less digits than its factorization.

23013573666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367817.

The product of its (nonzero) digits is 408240, while the sum is 42.

The spelling of 23013573666 in words is "twenty-three billion, thirteen million, five hundred seventy-three thousand, six hundred sixty-six".