23112221212079 has 2 divisors, whose sum is σ = 23112221212080. Its totient is φ = 23112221212078.

The previous prime is 23112221212057. The next prime is 23112221212127. The reversal of 23112221212079 is 97021212221132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23112221212079 - 2⁸ = 23112221211823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23112221215079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556110606039 + 11556110606040.

It is an arithmetic number, because the mean of its divisors is an integer number (11556110606040).

Almost surely, 2^{23112221212079} is an apocalyptic number.

23112221212079 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112221212079 is an equidigital number, since it uses as much as digits as its factorization.

23112221212079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 23112221212079 in words is "twenty-three trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, seventy-nine".