323144429 has 2 divisors, whose sum is σ = 323144430. Its totient is φ = 323144428.

The previous prime is 323144407. The next prime is 323144443. The reversal of 323144429 is 924441323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316768804 + 6375625 = 17798^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 323144429 - 2¹² = 323140333 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 323144395 and 323144404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323144489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161572214 + 161572215.

It is an arithmetic number, because the mean of its divisors is an integer number (161572215).

Almost surely, 2^323144429 is an apocalyptic number.

It is an amenable number.

323144429 is a deficient number, since it is larger than the sum of its proper divisors (1).

323144429 is an equidigital number, since it uses as much as digits as its factorization.

323144429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 323144429 is about 17976.2184288020. The cubic root of 323144429 is about 686.2234543919.

The spelling of 323144429 in words is "three hundred twenty-three million, one hundred forty-four thousand, four hundred twenty-nine".