11323409 has 2 divisors, whose sum is σ = 11323410. Its totient is φ = 11323408.

The previous prime is 11323399. The next prime is 11323451. The reversal of 11323409 is 90432311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 2650384 = 2945^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323409 - 2⁴ = 11323393 is a prime.

It is not a weakly prime, because it can be changed into another prime (11323709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661704 + 5661705.

It is an arithmetic number, because the mean of its divisors is an integer number (5661705).

Almost surely, 2^11323409 is an apocalyptic number.

It is an amenable number.

11323409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323409 is an equidigital number, since it uses as much as digits as its factorization.

11323409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 11323409 is about 3365.0273401564. The cubic root of 11323409 is about 224.5565521062.

The spelling of 11323409 in words is "eleven million, three hundred twenty-three thousand, four hundred nine".