323533141 has 2 divisors, whose sum is σ = 323533142. Its totient is φ = 323533140.

The previous prime is 323533139. The next prime is 323533163. The reversal of 323533141 is 141335323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200788900 + 122744241 = 14170^2 + 11079^2 .

It is a cyclic number.

It is not a de Polignac number, because 323533141 - 2¹ = 323533139 is a prime.

Together with 323533139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323533741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161766570 + 161766571.

It is an arithmetic number, because the mean of its divisors is an integer number (161766571).

Almost surely, 2^323533141 is an apocalyptic number.

It is an amenable number.

323533141 is a deficient number, since it is larger than the sum of its proper divisors (1).

323533141 is an equidigital number, since it uses as much as digits as its factorization.

323533141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 25.

The square root of 323533141 is about 17987.0270194938. The cubic root of 323533141 is about 686.4984979775.

Adding to 323533141 its reverse (141335323), we get a palindrome (464868464).

The spelling of 323533141 in words is "three hundred twenty-three million, five hundred thirty-three thousand, one hundred forty-one".