20232166025717 has 2 divisors, whose sum is σ = 20232166025718. Its totient is φ = 20232166025716.

The previous prime is 20232166025689. The next prime is 20232166025719. The reversal of 20232166025717 is 71752066123202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11194049754001 + 9038116271716 = 3345751^2 + 3006346^2 .

It is a cyclic number.

It is not a de Polignac number, because 20232166025717 - 2¹⁸ = 20232165763573 is a prime.

Together with 20232166025719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20232166025719) 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, 10116083012858 + 10116083012859.

It is an arithmetic number, because the mean of its divisors is an integer number (10116083012859).

Almost surely, 2^{20232166025717} is an apocalyptic number.

It is an amenable number.

20232166025717 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232166025717 is an equidigital number, since it uses as much as digits as its factorization.

20232166025717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 20232166025717 in words is "twenty trillion, two hundred thirty-two billion, one hundred sixty-six million, twenty-five thousand, seven hundred seventeen".