23641563 has 8 divisors (see below), whose sum is σ = 34387776. Its totient is φ = 14328200.

The previous prime is 23641559. The next prime is 23641573. The reversal of 23641563 is 36514632.

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 23641563 - 2² = 23641559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23641563.

It is not an unprimeable number, because it can be changed into a prime (23641573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358173 + ... + 358238.

It is an arithmetic number, because the mean of its divisors is an integer number (4298472).

Almost surely, 2^23641563 is an apocalyptic number.

23641563 is a deficient number, since it is larger than the sum of its proper divisors (10746213).

23641563 is a wasteful number, since it uses less digits than its factorization.

23641563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716425.

The product of its digits is 12960, while the sum is 30.

The square root of 23641563 is about 4862.2590428730. The cubic root of 23641563 is about 287.0067175804.

The spelling of 23641563 in words is "twenty-three million, six hundred forty-one thousand, five hundred sixty-three".