23648663 has 4 divisors (see below), whose sum is σ = 24036408. Its totient is φ = 23260920.

The previous prime is 23648657. The next prime is 23648671. The reversal of 23648663 is 36684632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23648663 - 2¹⁰ = 23647639 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 (23648693) 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, 193781 + ... + 193902.

It is an arithmetic number, because the mean of its divisors is an integer number (6009102).

Almost surely, 2^23648663 is an apocalyptic number.

23648663 is a deficient number, since it is larger than the sum of its proper divisors (387745).

23648663 is an equidigital number, since it uses as much as digits as its factorization.

23648663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387744.

The product of its digits is 124416, while the sum is 38.

The square root of 23648663 is about 4862.9891013655. The cubic root of 23648663 is about 287.0354458522.

The spelling of 23648663 in words is "twenty-three million, six hundred forty-eight thousand, six hundred sixty-three".