323633473 has 2 divisors, whose sum is σ = 323633474. Its totient is φ = 323633472.

The previous prime is 323633411. The next prime is 323633477. The reversal of 323633473 is 374336323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245611584 + 78021889 = 15672^2 + 8833^2 .

It is an emirp because it is prime and its reverse (374336323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323633473 - 2²¹ = 321536321 is a prime.

It is not a weakly prime, because it can be changed into another prime (323633477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161816736 + 161816737.

It is an arithmetic number, because the mean of its divisors is an integer number (161816737).

Almost surely, 2^323633473 is an apocalyptic number.

It is an amenable number.

323633473 is a deficient number, since it is larger than the sum of its proper divisors (1).

323633473 is an equidigital number, since it uses as much as digits as its factorization.

323633473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 34.

The square root of 323633473 is about 17989.8158133984. The cubic root of 323633473 is about 686.5694547975.

Adding to 323633473 its reverse (374336323), we get a palindrome (697969796).

The spelling of 323633473 in words is "three hundred twenty-three million, six hundred thirty-three thousand, four hundred seventy-three".