2321727073217 has 2 divisors, whose sum is σ = 2321727073218. Its totient is φ = 2321727073216.

The previous prime is 2321727073189. The next prime is 2321727073273. The reversal of 2321727073217 is 7123707271232.

2321727073217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1956616261681 + 365110811536 = 1398791^2 + 604244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321727073217 - 2⁶ = 2321727073153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321727073517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160863536608 + 1160863536609.

It is an arithmetic number, because the mean of its divisors is an integer number (1160863536609).

Almost surely, 2^{2321727073217} is an apocalyptic number.

It is an amenable number.

2321727073217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321727073217 is an equidigital number, since it uses as much as digits as its factorization.

2321727073217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345744, while the sum is 44.

The spelling of 2321727073217 in words is "two trillion, three hundred twenty-one billion, seven hundred twenty-seven million, seventy-three thousand, two hundred seventeen".