323021201 has 2 divisors, whose sum is σ = 323021202. Its totient is φ = 323021200.

The previous prime is 323021191. The next prime is 323021207. The reversal of 323021201 is 102120323.

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., 247244176 + 75777025 = 15724^2 + 8705^2 .

It is an emirp because it is prime and its reverse (102120323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323021201 - 2¹⁸ = 322759057 is a prime.

It is not a weakly prime, because it can be changed into another prime (323021207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161510600 + 161510601.

It is an arithmetic number, because the mean of its divisors is an integer number (161510601).

Almost surely, 2^323021201 is an apocalyptic number.

It is an amenable number.

323021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

323021201 is an equidigital number, since it uses as much as digits as its factorization.

323021201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 323021201 is about 17972.7905735309. The cubic root of 323021201 is about 686.1362150778.

Adding to 323021201 its reverse (102120323), we get a palindrome (425141524).

The spelling of 323021201 in words is "three hundred twenty-three million, twenty-one thousand, two hundred one".