320352304453423 has 4 divisors (see below), whose sum is σ = 349475241221928. Its totient is φ = 291229367684920.

The previous prime is 320352304453387. The next prime is 320352304453471. The reversal of 320352304453423 is 324354403253023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320352304453423 - 2⁹ = 320352304452911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320352304453423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320352304453723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14561468384236 + ... + 14561468384257.

It is an arithmetic number, because the mean of its divisors is an integer number (87368810305482).

Almost surely, 2^{320352304453423} is an apocalyptic number.

320352304453423 is a deficient number, since it is larger than the sum of its proper divisors (29122936768505).

320352304453423 is a wasteful number, since it uses less digits than its factorization.

320352304453423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29122936768504.

The product of its (nonzero) digits is 3110400, while the sum is 43.

The spelling of 320352304453423 in words is "three hundred twenty trillion, three hundred fifty-two billion, three hundred four million, four hundred fifty-three thousand, four hundred twenty-three".