23813863 has 2 divisors, whose sum is σ = 23813864. Its totient is φ = 23813862.

The previous prime is 23813857. The next prime is 23813869. The reversal of 23813863 is 36831832.

It is a balanced prime because it is at equal distance from previous prime (23813857) and next prime (23813869).

It is a cyclic number.

It is not a de Polignac number, because 23813863 - 2⁵ = 23813831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23813869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11906931 + 11906932.

It is an arithmetic number, because the mean of its divisors is an integer number (11906932).

Almost surely, 2^23813863 is an apocalyptic number.

23813863 is a deficient number, since it is larger than the sum of its proper divisors (1).

23813863 is an equidigital number, since it uses as much as digits as its factorization.

23813863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 23813863 is about 4879.9449791980. The cubic root of 23813863 is about 287.7022667383.

The spelling of 23813863 in words is "twenty-three million, eight hundred thirteen thousand, eight hundred sixty-three".