23315144335169 has 2 divisors, whose sum is σ = 23315144335170. Its totient is φ = 23315144335168.

The previous prime is 23315144335157. The next prime is 23315144335213. The reversal of 23315144335169 is 96153344151332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22823025249025 + 492119086144 = 4777345^2 + 701512^2 .

It is a cyclic number.

It is not a de Polignac number, because 23315144335169 - 2³² = 23310849367873 is a prime.

It is a super-2 number, since 2×23315144335169² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23315144335069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11657572167584 + 11657572167585.

It is an arithmetic number, because the mean of its divisors is an integer number (11657572167585).

Almost surely, 2^{23315144335169} is an apocalyptic number.

It is an amenable number.

23315144335169 is a deficient number, since it is larger than the sum of its proper divisors (1).

23315144335169 is an equidigital number, since it uses as much as digits as its factorization.

23315144335169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 50.

The spelling of 23315144335169 in words is "twenty-three trillion, three hundred fifteen billion, one hundred forty-four million, three hundred thirty-five thousand, one hundred sixty-nine".