23323110309991 has 2 divisors, whose sum is σ = 23323110309992. Its totient is φ = 23323110309990.

The previous prime is 23323110309973. The next prime is 23323110310009. The reversal of 23323110309991 is 19990301132332.

It is a balanced prime because it is at equal distance from previous prime (23323110309973) and next prime (23323110310009).

It is a cyclic number.

It is not a de Polignac number, because 23323110309991 - 2⁵ = 23323110309959 is a prime.

It is a super-2 number, since 2×23323110309991² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23323110309911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661555154995 + 11661555154996.

It is an arithmetic number, because the mean of its divisors is an integer number (11661555154996).

Almost surely, 2^{23323110309991} is an apocalyptic number.

23323110309991 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323110309991 is an equidigital number, since it uses as much as digits as its factorization.

23323110309991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 46.

The spelling of 23323110309991 in words is "twenty-three trillion, three hundred twenty-three billion, one hundred ten million, three hundred nine thousand, nine hundred ninety-one".