23202099911 has 2 divisors, whose sum is σ = 23202099912. Its totient is φ = 23202099910.

The previous prime is 23202099887. The next prime is 23202099923. The reversal of 23202099911 is 11999020232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23202099911 - 2²² = 23197905607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23202099961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601049955 + 11601049956.

It is an arithmetic number, because the mean of its divisors is an integer number (11601049956).

Almost surely, 2^23202099911 is an apocalyptic number.

23202099911 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202099911 is an equidigital number, since it uses as much as digits as its factorization.

23202099911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 23202099911 in words is "twenty-three billion, two hundred two million, ninety-nine thousand, nine hundred eleven".