23066647 has 4 divisors (see below), whose sum is σ = 23076360. Its totient is φ = 23056936.

The previous prime is 23066623. The next prime is 23066653. The reversal of 23066647 is 74666032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23066647 - 2²³ = 14678039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23066047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (5769090).

Almost surely, 2^23066647 is an apocalyptic number.

23066647 is a deficient number, since it is larger than the sum of its proper divisors (9713).

23066647 is an equidigital number, since it uses as much as digits as its factorization.

23066647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 23066647 is about 4802.7749270604. The cubic root of 23066647 is about 284.6611217895.

The spelling of 23066647 in words is "twenty-three million, sixty-six thousand, six hundred forty-seven".