2323309 has 2 divisors, whose sum is σ = 2323310. Its totient is φ = 2323308.

The previous prime is 2323297. The next prime is 2323313. The reversal of 2323309 is 9033232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 162409 = 1470^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323309 - 2⁹ = 2322797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2323309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2323369) 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, 1161654 + 1161655.

It is an arithmetic number, because the mean of its divisors is an integer number (1161655).

2^2323309 is an apocalyptic number.

It is an amenable number.

2323309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323309 is an equidigital number, since it uses as much as digits as its factorization.

2323309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 2323309 is about 1524.2404665931. The cubic root of 2323309 is about 132.4450276290.

It can be divided in two parts, 23 and 23309, that added together give a palindrome (23332).

The spelling of 2323309 in words is "two million, three hundred twenty-three thousand, three hundred nine".