322403230324421 has 2 divisors, whose sum is σ = 322403230324422. Its totient is φ = 322403230324420.

The previous prime is 322403230324393. The next prime is 322403230324579. The reversal of 322403230324421 is 124423032304223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278230072852900 + 44173157471521 = 16680230^2 + 6646289^2 .

It is an emirp because it is prime and its reverse (124423032304223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322403230324421 - 2¹⁰ = 322403230323397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322403230324921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161201615162210 + 161201615162211.

It is an arithmetic number, because the mean of its divisors is an integer number (161201615162211).

Almost surely, 2^{322403230324421} is an apocalyptic number.

It is an amenable number.

322403230324421 is a deficient number, since it is larger than the sum of its proper divisors (1).

322403230324421 is an equidigital number, since it uses as much as digits as its factorization.

322403230324421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 322403230324421 its reverse (124423032304223), we get a palindrome (446826262628644).

The spelling of 322403230324421 in words is "three hundred twenty-two trillion, four hundred three billion, two hundred thirty million, three hundred twenty-four thousand, four hundred twenty-one".