323201231209 has 8 divisors (see below), whose sum is σ = 324258778152. Its totient is φ = 322143843840.

The previous prime is 323201231203. The next prime is 323201231237. The reversal of 323201231209 is 902132102323.

It can be written as a sum of positive squares in 4 ways, for example, as 21000357225 + 302200873984 = 144915^2 + 549728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323201231209 - 2¹⁹ = 323200706921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323201231203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5089437 + ... + 5152549.

It is an arithmetic number, because the mean of its divisors is an integer number (40532347269).

Almost surely, 2^323201231209 is an apocalyptic number.

It is an amenable number.

323201231209 is a deficient number, since it is larger than the sum of its proper divisors (1057546943).

323201231209 is a wasteful number, since it uses less digits than its factorization.

323201231209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79787.

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

The spelling of 323201231209 in words is "three hundred twenty-three billion, two hundred one million, two hundred thirty-one thousand, two hundred nine".