23159863 has 2 divisors, whose sum is σ = 23159864. Its totient is φ = 23159862.

The previous prime is 23159849. The next prime is 23159867. The reversal of 23159863 is 36895132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23159863 - 2⁹ = 23159351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23159867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11579931 + 11579932.

It is an arithmetic number, because the mean of its divisors is an integer number (11579932).

Almost surely, 2^23159863 is an apocalyptic number.

23159863 is a deficient number, since it is larger than the sum of its proper divisors (1).

23159863 is an equidigital number, since it uses as much as digits as its factorization.

23159863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 23159863 is about 4812.4695323711. The cubic root of 23159863 is about 285.0440600805.

The spelling of 23159863 in words is "twenty-three million, one hundred fifty-nine thousand, eight hundred sixty-three".