11223302309 has 4 divisors (see below), whose sum is σ = 11266973004. Its totient is φ = 11179631616.

The previous prime is 11223302303. The next prime is 11223302339. The reversal of 11223302309 is 90320332211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90320332211 = 251 ⋅359841961.

It can be written as a sum of positive squares in 2 ways, for example, as 8117469409 + 3105832900 = 90097^2 + 55730^2 .

It is a cyclic number.

It is not a de Polignac number, because 11223302309 - 2⁸ = 11223302053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223302303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21834962 + ... + 21835475.

It is an arithmetic number, because the mean of its divisors is an integer number (2816743251).

Almost surely, 2^11223302309 is an apocalyptic number.

It is an amenable number.

11223302309 is a deficient number, since it is larger than the sum of its proper divisors (43670695).

11223302309 is an equidigital number, since it uses as much as digits as its factorization.

11223302309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43670694.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 11223302309 in words is "eleven billion, two hundred twenty-three million, three hundred two thousand, three hundred nine".