323211232009 has 2 divisors, whose sum is σ = 323211232010. Its totient is φ = 323211232008.

The previous prime is 323211231991. The next prime is 323211232027. The reversal of 323211232009 is 900232112323.

It is a balanced prime because it is at equal distance from previous prime (323211231991) and next prime (323211232027).

It can be written as a sum of positive squares in only one way, i.e., 323033089600 + 178142409 = 568360^2 + 13347^2 .

It is a cyclic number.

It is not a de Polignac number, because 323211232009 - 2⁵ = 323211231977 is a prime.

It is not a weakly prime, because it can be changed into another prime (323211232079) 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 as a sum of consecutive naturals, namely, 161605616004 + 161605616005.

It is an arithmetic number, because the mean of its divisors is an integer number (161605616005).

Almost surely, 2^323211232009 is an apocalyptic number.

It is an amenable number.

323211232009 is a deficient number, since it is larger than the sum of its proper divisors (1).

323211232009 is an equidigital number, since it uses as much as digits as its factorization.

323211232009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 323211232009 in words is "three hundred twenty-three billion, two hundred eleven million, two hundred thirty-two thousand, nine".