23131200199 has 2 divisors, whose sum is σ = 23131200200. Its totient is φ = 23131200198.

The previous prime is 23131200193. The next prime is 23131200217. The reversal of 23131200199 is 99100213132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23131200199 - 2⁹ = 23131199687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23131200199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23131200193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565600099 + 11565600100.

It is an arithmetic number, because the mean of its divisors is an integer number (11565600100).

Almost surely, 2^23131200199 is an apocalyptic number.

23131200199 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131200199 is an equidigital number, since it uses as much as digits as its factorization.

23131200199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 23131200199 in words is "twenty-three billion, one hundred thirty-one million, two hundred thousand, one hundred ninety-nine".