320323401401 has 2 divisors, whose sum is σ = 320323401402. Its totient is φ = 320323401400.

The previous prime is 320323401347. The next prime is 320323401403. The reversal of 320323401401 is 104104323023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204981657001 + 115341744400 = 452749^2 + 339620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320323401401 is a prime.

Together with 320323401403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320323401403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160161700700 + 160161700701.

It is an arithmetic number, because the mean of its divisors is an integer number (160161700701).

Almost surely, 2^320323401401 is an apocalyptic number.

It is an amenable number.

320323401401 is a deficient number, since it is larger than the sum of its proper divisors (1).

320323401401 is an equidigital number, since it uses as much as digits as its factorization.

320323401401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 320323401401 its reverse (104104323023), we get a palindrome (424427724424).

The spelling of 320323401401 in words is "three hundred twenty billion, three hundred twenty-three million, four hundred one thousand, four hundred one".