23660563 has 8 divisors (see below), whose sum is σ = 24002640. Its totient is φ = 23320800.

The previous prime is 23660557. The next prime is 23660573. The reversal of 23660563 is 36506632.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23660563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23660513) 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, 31648 + ... + 32386.

It is an arithmetic number, because the mean of its divisors is an integer number (3000330).

Almost surely, 2^23660563 is an apocalyptic number.

23660563 is a deficient number, since it is larger than the sum of its proper divisors (342077).

23660563 is a wasteful number, since it uses less digits than its factorization.

23660563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 23660563 is about 4864.2124748000. The cubic root of 23660563 is about 287.0835831617.

The spelling of 23660563 in words is "twenty-three million, six hundred sixty thousand, five hundred sixty-three".