320183376397 has 2 divisors, whose sum is σ = 320183376398. Its totient is φ = 320183376396.

The previous prime is 320183376389. The next prime is 320183376431. The reversal of 320183376397 is 793673381023.

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., 319664721321 + 518655076 = 565389^2 + 22774^2 .

It is a cyclic number.

It is not a de Polignac number, because 320183376397 - 2³ = 320183376389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320183376367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160091688198 + 160091688199.

It is an arithmetic number, because the mean of its divisors is an integer number (160091688199).

Almost surely, 2^320183376397 is an apocalyptic number.

It is an amenable number.

320183376397 is a deficient number, since it is larger than the sum of its proper divisors (1).

320183376397 is an equidigital number, since it uses as much as digits as its factorization.

320183376397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 320183376397 in words is "three hundred twenty billion, one hundred eighty-three million, three hundred seventy-six thousand, three hundred ninety-seven".