23171574544093 has 2 divisors, whose sum is σ = 23171574544094. Its totient is φ = 23171574544092.

The previous prime is 23171574544049. The next prime is 23171574544159. The reversal of 23171574544093 is 39044547517132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20469453365124 + 2702121178969 = 4524318^2 + 1643813^2 .

It is a cyclic number.

It is not a de Polignac number, because 23171574544093 - 2²¹ = 23171572446941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23171574544793) 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, 11585787272046 + 11585787272047.

It is an arithmetic number, because the mean of its divisors is an integer number (11585787272047).

Almost surely, 2^{23171574544093} is an apocalyptic number.

It is an amenable number.

23171574544093 is a deficient number, since it is larger than the sum of its proper divisors (1).

23171574544093 is an equidigital number, since it uses as much as digits as its factorization.

23171574544093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 23171574544093 in words is "twenty-three trillion, one hundred seventy-one billion, five hundred seventy-four million, five hundred forty-four thousand, ninety-three".