23311100344391 has 2 divisors, whose sum is σ = 23311100344392. Its totient is φ = 23311100344390.

The previous prime is 23311100344349. The next prime is 23311100344403. The reversal of 23311100344391 is 19344300111332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23311100344391 - 2⁶ = 23311100344327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311100340391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655550172195 + 11655550172196.

It is an arithmetic number, because the mean of its divisors is an integer number (11655550172196).

Almost surely, 2^{23311100344391} is an apocalyptic number.

23311100344391 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311100344391 is an equidigital number, since it uses as much as digits as its factorization.

23311100344391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 23311100344391 in words is "twenty-three trillion, three hundred eleven billion, one hundred million, three hundred forty-four thousand, three hundred ninety-one".