23000563 has 2 divisors, whose sum is σ = 23000564. Its totient is φ = 23000562.

The previous prime is 23000557. The next prime is 23000573. The reversal of 23000563 is 36500032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23000563 - 2¹⁷ = 22869491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23000563.

It is not a weakly prime, because it can be changed into another prime (23000513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500281 + 11500282.

It is an arithmetic number, because the mean of its divisors is an integer number (11500282).

Almost surely, 2^23000563 is an apocalyptic number.

23000563 is a deficient number, since it is larger than the sum of its proper divisors (1).

23000563 is an equidigital number, since it uses as much as digits as its factorization.

23000563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23000563 is about 4795.8902197611. The cubic root of 23000563 is about 284.3890183968.

Adding to 23000563 its reverse (36500032), we get a palindrome (59500595).

The spelling of 23000563 in words is "twenty-three million, five hundred sixty-three", and thus it is an aban number.