23316661717 has 2 divisors, whose sum is σ = 23316661718. Its totient is φ = 23316661716.

The previous prime is 23316661681. The next prime is 23316661727. The reversal of 23316661717 is 71716661332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16541560996 + 6775100721 = 128614^2 + 82311^2 .

It is a cyclic number.

It is not a de Polignac number, because 23316661717 - 2¹¹ = 23316659669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23316661727) 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, 11658330858 + 11658330859.

It is an arithmetic number, because the mean of its divisors is an integer number (11658330859).

Almost surely, 2^23316661717 is an apocalyptic number.

It is an amenable number.

23316661717 is a deficient number, since it is larger than the sum of its proper divisors (1).

23316661717 is an equidigital number, since it uses as much as digits as its factorization.

23316661717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The spelling of 23316661717 in words is "twenty-three billion, three hundred sixteen million, six hundred sixty-one thousand, seven hundred seventeen".