23031516645271 has 2 divisors, whose sum is σ = 23031516645272. Its totient is φ = 23031516645270.

The previous prime is 23031516645199. The next prime is 23031516645283. The reversal of 23031516645271 is 17254661513032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23031516645271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031516145271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515758322635 + 11515758322636.

It is an arithmetic number, because the mean of its divisors is an integer number (11515758322636).

Almost surely, 2^{23031516645271} is an apocalyptic number.

23031516645271 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031516645271 is an equidigital number, since it uses as much as digits as its factorization.

23031516645271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 23031516645271 in words is "twenty-three trillion, thirty-one billion, five hundred sixteen million, six hundred forty-five thousand, two hundred seventy-one".