323812397 has 2 divisors, whose sum is σ = 323812398. Its totient is φ = 323812396.

The previous prime is 323812381. The next prime is 323812399. The reversal of 323812397 is 793218323.

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., 299497636 + 24314761 = 17306^2 + 4931^2 .

It is a cyclic number.

It is not a de Polignac number, because 323812397 - 2⁴ = 323812381 is a prime.

Together with 323812399, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323812397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323812399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161906198 + 161906199.

It is an arithmetic number, because the mean of its divisors is an integer number (161906199).

Almost surely, 2^323812397 is an apocalyptic number.

It is an amenable number.

323812397 is a deficient number, since it is larger than the sum of its proper divisors (1).

323812397 is an equidigital number, since it uses as much as digits as its factorization.

323812397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 323812397 is about 17994.7880509885. The cubic root of 323812397 is about 686.6959570826.

The spelling of 323812397 in words is "three hundred twenty-three million, eight hundred twelve thousand, three hundred ninety-seven".