2323221209 has 2 divisors, whose sum is σ = 2323221210. Its totient is φ = 2323221208.

The previous prime is 2323221151. The next prime is 2323221223. The reversal of 2323221209 is 9021223232.

2323221209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2322950809 + 270400 = 48197^2 + 520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2323221209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2323221289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161610604 + 1161610605.

It is an arithmetic number, because the mean of its divisors is an integer number (1161610605).

Almost surely, 2^2323221209 is an apocalyptic number.

It is an amenable number.

2323221209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323221209 is an equidigital number, since it uses as much as digits as its factorization.

2323221209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2323221209 is about 48199.8050722199. The cubic root of 2323221209 is about 1324.4335937226.

The spelling of 2323221209 in words is "two billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred nine".