23199863 has 2 divisors, whose sum is σ = 23199864. Its totient is φ = 23199862.

The previous prime is 23199857. The next prime is 23199871. The reversal of 23199863 is 36899132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23199863 - 2¹⁰ = 23198839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23199863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23199853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599931 + 11599932.

It is an arithmetic number, because the mean of its divisors is an integer number (11599932).

Almost surely, 2^23199863 is an apocalyptic number.

23199863 is a deficient number, since it is larger than the sum of its proper divisors (1).

23199863 is an equidigital number, since it uses as much as digits as its factorization.

23199863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 23199863 is about 4816.6236099575. The cubic root of 23199863 is about 285.2080680253.

The spelling of 23199863 in words is "twenty-three million, one hundred ninety-nine thousand, eight hundred sixty-three".