23393863 has 2 divisors, whose sum is σ = 23393864. Its totient is φ = 23393862.

The previous prime is 23393857. The next prime is 23393873. The reversal of 23393863 is 36839332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23393863 - 2⁵ = 23393831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23393803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11696931 + 11696932.

It is an arithmetic number, because the mean of its divisors is an integer number (11696932).

Almost surely, 2^23393863 is an apocalyptic number.

23393863 is a deficient number, since it is larger than the sum of its proper divisors (1).

23393863 is an equidigital number, since it uses as much as digits as its factorization.

23393863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The square root of 23393863 is about 4836.7202730776. The cubic root of 23393863 is about 286.0008435595. Note that the first 3 decimals are identical.

The spelling of 23393863 in words is "twenty-three million, three hundred ninety-three thousand, eight hundred sixty-three".