23642663 has 8 divisors (see below), whose sum is σ = 25868160. Its totient is φ = 21429880.

The previous prime is 23642653. The next prime is 23642681. The reversal of 23642663 is 36624632.

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

It is a cyclic number.

It is not a de Polignac number, because 23642663 - 2¹⁴ = 23626279 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 (23642603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (3233520).

Almost surely, 2^23642663 is an apocalyptic number.

23642663 is a deficient number, since it is larger than the sum of its proper divisors (2225497).

23642663 is a wasteful number, since it uses less digits than its factorization.

23642663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357.

The product of its digits is 31104, while the sum is 32.

The square root of 23642663 is about 4862.3721577025. The cubic root of 23642663 is about 287.0111688159.

The spelling of 23642663 in words is "twenty-three million, six hundred forty-two thousand, six hundred sixty-three".