323211009 has 16 divisors (see below), whose sum is σ = 474784704. Its totient is φ = 193944000.

The previous prime is 323210989. The next prime is 323211011. The reversal of 323211009 is 900112323.

It is a happy number.

It is not a de Polignac number, because 323211009 - 2¹⁵ = 323178241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (323211059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45154 + ... + 51819.

It is an arithmetic number, because the mean of its divisors is an integer number (29674044).

Almost surely, 2^323211009 is an apocalyptic number.

It is an amenable number.

323211009 is a deficient number, since it is larger than the sum of its proper divisors (151573695).

323211009 is a wasteful number, since it uses less digits than its factorization.

323211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97088.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 323211009 is about 17978.0702245819. The cubic root of 323211009 is about 686.2705805023.

It can be divided in two parts, 3232 and 11009, that added together give a palindrome (14241).

The spelling of 323211009 in words is "three hundred twenty-three million, two hundred eleven thousand, nine".