23116719427 has 2 divisors, whose sum is σ = 23116719428. Its totient is φ = 23116719426.

The previous prime is 23116719403. The next prime is 23116719467. The reversal of 23116719427 is 72491761132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23116719427 is a prime.

It is not a weakly prime, because it can be changed into another prime (23116719467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11558359713 + 11558359714.

It is an arithmetic number, because the mean of its divisors is an integer number (11558359714).

Almost surely, 2^23116719427 is an apocalyptic number.

23116719427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23116719427 is an equidigital number, since it uses as much as digits as its factorization.

23116719427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The spelling of 23116719427 in words is "twenty-three billion, one hundred sixteen million, seven hundred nineteen thousand, four hundred twenty-seven".