11323320109 has 2 divisors, whose sum is σ = 11323320110. Its totient is φ = 11323320108.

The previous prime is 11323320103. The next prime is 11323320133. The reversal of 11323320109 is 90102332311.

11323320109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11289062500 + 34257609 = 106250^2 + 5853^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323320109 - 2⁹ = 11323319597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323320103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661660054 + 5661660055.

It is an arithmetic number, because the mean of its divisors is an integer number (5661660055).

Almost surely, 2^11323320109 is an apocalyptic number.

It is an amenable number.

11323320109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323320109 is an equidigital number, since it uses as much as digits as its factorization.

11323320109 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 25.

The spelling of 11323320109 in words is "eleven billion, three hundred twenty-three million, three hundred twenty thousand, one hundred nine".