23456663 has 4 divisors (see below), whose sum is σ = 23470008. Its totient is φ = 23443320.

The previous prime is 23456627. The next prime is 23456669. The reversal of 23456663 is 36665432.

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 23456663 - 2¹⁰ = 23455639 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 (23456669) 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, 3548 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (5867502).

Almost surely, 2^23456663 is an apocalyptic number.

23456663 is a deficient number, since it is larger than the sum of its proper divisors (13345).

23456663 is a wasteful number, since it uses less digits than its factorization.

23456663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344.

The product of its digits is 77760, while the sum is 35.

The square root of 23456663 is about 4843.2079245062. The cubic root of 23456663 is about 286.2565346232.

The spelling of 23456663 in words is "twenty-three million, four hundred fifty-six thousand, six hundred sixty-three".