320412320453 has 2 divisors, whose sum is σ = 320412320454. Its totient is φ = 320412320452.

The previous prime is 320412320351. The next prime is 320412320471. The reversal of 320412320453 is 354023214023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295378119169 + 25034201284 = 543487^2 + 158222^2 .

It is a cyclic number.

It is not a de Polignac number, because 320412320453 - 2²⁸ = 320143884997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320412320483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160206160226 + 160206160227.

It is an arithmetic number, because the mean of its divisors is an integer number (160206160227).

Almost surely, 2^320412320453 is an apocalyptic number.

It is an amenable number.

320412320453 is a deficient number, since it is larger than the sum of its proper divisors (1).

320412320453 is an equidigital number, since it uses as much as digits as its factorization.

320412320453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 320412320453 its reverse (354023214023), we get a palindrome (674435534476).

The spelling of 320412320453 in words is "three hundred twenty billion, four hundred twelve million, three hundred twenty thousand, four hundred fifty-three".