11323289 has 2 divisors, whose sum is σ = 11323290. Its totient is φ = 11323288.

The previous prime is 11323283. The next prime is 11323303. The reversal of 11323289 is 98232311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 64 = 3365^2 + 8^2 .

It is an emirp because it is prime and its reverse (98232311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11323289 - 2²⁰ = 10274713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11323283) 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, 5661644 + 5661645.

It is an arithmetic number, because the mean of its divisors is an integer number (5661645).

Almost surely, 2^11323289 is an apocalyptic number.

It is an amenable number.

11323289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323289 is an equidigital number, since it uses as much as digits as its factorization.

11323289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 11323289 is about 3365.0095096448. The cubic root of 11323289 is about 224.5557588562. Note that the first 3 decimals are identical.

The spelling of 11323289 in words is "eleven million, three hundred twenty-three thousand, two hundred eighty-nine".