320044023317 has 2 divisors, whose sum is σ = 320044023318. Its totient is φ = 320044023316.

The previous prime is 320044023253. The next prime is 320044023331. The reversal of 320044023317 is 713320440023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281962062001 + 38081961316 = 531001^2 + 195146^2 .

It is a cyclic number.

It is not a de Polignac number, because 320044023317 - 2⁶ = 320044023253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320044023317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320044043317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160022011658 + 160022011659.

It is an arithmetic number, because the mean of its divisors is an integer number (160022011659).

Almost surely, 2^320044023317 is an apocalyptic number.

It is an amenable number.

320044023317 is a deficient number, since it is larger than the sum of its proper divisors (1).

320044023317 is an equidigital number, since it uses as much as digits as its factorization.

320044023317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The spelling of 320044023317 in words is "three hundred twenty billion, forty-four million, twenty-three thousand, three hundred seventeen".