323044143001421 has 2 divisors, whose sum is σ = 323044143001422. Its totient is φ = 323044143001420.

The previous prime is 323044143001271. The next prime is 323044143001471. The reversal of 323044143001421 is 124100341440323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169940294293225 + 153103848708196 = 13036115^2 + 12373514^2 .

It is a cyclic number.

It is not a de Polignac number, because 323044143001421 - 2³⁸ = 322769265094477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323044143001471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161522071500710 + 161522071500711.

It is an arithmetic number, because the mean of its divisors is an integer number (161522071500711).

Almost surely, 2^{323044143001421} is an apocalyptic number.

It is an amenable number.

323044143001421 is a deficient number, since it is larger than the sum of its proper divisors (1).

323044143001421 is an equidigital number, since it uses as much as digits as its factorization.

323044143001421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 323044143001421 its reverse (124100341440323), we get a palindrome (447144484441744).

The spelling of 323044143001421 in words is "three hundred twenty-three trillion, forty-four billion, one hundred forty-three million, one thousand, four hundred twenty-one".