23001366566 has 8 divisors (see below), whose sum is σ = 35236136160. Its totient is φ = 11255987848.

The previous prime is 23001366533. The next prime is 23001366607. The reversal of 23001366566 is 66566310032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122347601 + ... + 122347788.

It is an arithmetic number, because the mean of its divisors is an integer number (4404517020).

Almost surely, 2^23001366566 is an apocalyptic number.

23001366566 is a deficient number, since it is larger than the sum of its proper divisors (12234769594).

23001366566 is a wasteful number, since it uses less digits than its factorization.

23001366566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244695438.

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 23001366566 its reverse (66566310032), we get a palindrome (89567676598).

The spelling of 23001366566 in words is "twenty-three billion, one million, three hundred sixty-six thousand, five hundred sixty-six".