11323709 has 2 divisors, whose sum is σ = 11323710. Its totient is φ = 11323708.

The previous prime is 11323699. The next prime is 11323721. The reversal of 11323709 is 90732311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 484 = 3365^2 + 22^2 .

It is an emirp because it is prime and its reverse (90732311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11323709 - 2⁸ = 11323453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323729) 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, 5661854 + 5661855.

It is an arithmetic number, because the mean of its divisors is an integer number (5661855).

Almost surely, 2^11323709 is an apocalyptic number.

It is an amenable number.

11323709 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323709 is an equidigital number, since it uses as much as digits as its factorization.

11323709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 11323709 is about 3365.0719160220. The cubic root of 11323709 is about 224.5585352066.

The spelling of 11323709 in words is "eleven million, three hundred twenty-three thousand, seven hundred nine".