323423143321 has 2 divisors, whose sum is σ = 323423143322. Its totient is φ = 323423143320.

The previous prime is 323423143289. The next prime is 323423143333. The reversal of 323423143321 is 123341324323.

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., 263747982096 + 59675161225 = 513564^2 + 244285^2 .

It is a cyclic number.

It is not a de Polignac number, because 323423143321 - 2⁵ = 323423143289 is a prime.

It is a super-2 number, since 2×323423143321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323423144321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161711571660 + 161711571661.

It is an arithmetic number, because the mean of its divisors is an integer number (161711571661).

Almost surely, 2^323423143321 is an apocalyptic number.

It is an amenable number.

323423143321 is a deficient number, since it is larger than the sum of its proper divisors (1).

323423143321 is an equidigital number, since it uses as much as digits as its factorization.

323423143321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 31.

Adding to 323423143321 its reverse (123341324323), we get a palindrome (446764467644).

The spelling of 323423143321 in words is "three hundred twenty-three billion, four hundred twenty-three million, one hundred forty-three thousand, three hundred twenty-one".