23171574544049 has 2 divisors, whose sum is σ = 23171574544050. Its totient is φ = 23171574544048.

The previous prime is 23171574544037. The next prime is 23171574544093. The reversal of 23171574544049 is 94044547517132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13251638478400 + 9919936065649 = 3640280^2 + 3149593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23171574544049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23171574543985 and 23171574544003.

It is not a weakly prime, because it can be changed into another prime (23171574549049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11585787272024 + 11585787272025.

It is an arithmetic number, because the mean of its divisors is an integer number (11585787272025).

Almost surely, 2^{23171574544049} is an apocalyptic number.

It is an amenable number.

23171574544049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23171574544049 is an equidigital number, since it uses as much as digits as its factorization.

23171574544049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 23171574544049 in words is "twenty-three trillion, one hundred seventy-one billion, five hundred seventy-four million, five hundred forty-four thousand, forty-nine".