321424333223473 has 2 divisors, whose sum is σ = 321424333223474. Its totient is φ = 321424333223472.

The previous prime is 321424333223393. The next prime is 321424333223479. The reversal of 321424333223473 is 374322333424123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247844788289569 + 73579544933904 = 15743087^2 + 8577852^2 .

It is a cyclic number.

It is not a de Polignac number, because 321424333223473 - 2¹³ = 321424333215281 is a prime.

It is not a weakly prime, because it can be changed into another prime (321424333223479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160712166611736 + 160712166611737.

It is an arithmetic number, because the mean of its divisors is an integer number (160712166611737).

Almost surely, 2^{321424333223473} is an apocalyptic number.

It is an amenable number.

321424333223473 is a deficient number, since it is larger than the sum of its proper divisors (1).

321424333223473 is an equidigital number, since it uses as much as digits as its factorization.

321424333223473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 46.

Adding to 321424333223473 its reverse (374322333424123), we get a palindrome (695746666647596).

The spelling of 321424333223473 in words is "three hundred twenty-one trillion, four hundred twenty-four billion, three hundred thirty-three million, two hundred twenty-three thousand, four hundred seventy-three".