23311101642779 has 2 divisors, whose sum is σ = 23311101642780. Its totient is φ = 23311101642778.

The previous prime is 23311101642713. The next prime is 23311101642793. The reversal of 23311101642779 is 97724610111332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23311101642779 - 2²⁸ = 23310833207323 is a prime.

It is not a weakly prime, because it can be changed into another prime (23311101642079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655550821389 + 11655550821390.

It is an arithmetic number, because the mean of its divisors is an integer number (11655550821390).

Almost surely, 2^{23311101642779} is an apocalyptic number.

23311101642779 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311101642779 is an equidigital number, since it uses as much as digits as its factorization.

23311101642779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 23311101642779 in words is "twenty-three trillion, three hundred eleven billion, one hundred one million, six hundred forty-two thousand, seven hundred seventy-nine".