11009323 has 4 divisors (see below), whose sum is σ = 11856208. Its totient is φ = 10162440.

The previous prime is 11009321. The next prime is 11009351. The reversal of 11009323 is 32390011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32390011 = 67 ⋅483433.

It is a cyclic number.

It is not a de Polignac number, because 11009323 - 2¹ = 11009321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11009323.

It is not an unprimeable number, because it can be changed into a prime (11009321) 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, 423423 + ... + 423448.

It is an arithmetic number, because the mean of its divisors is an integer number (2964052).

Almost surely, 2^11009323 is an apocalyptic number.

11009323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11009323 is a deficient number, since it is larger than the sum of its proper divisors (846885).

11009323 is an equidigital number, since it uses as much as digits as its factorization.

11009323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846884.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 11009323 is about 3318.0299878090. The cubic root of 11009323 is about 222.4608221219.

Adding to 11009323 its reverse (32390011), we get a palindrome (43399334).

The spelling of 11009323 in words is "eleven million, nine thousand, three hundred twenty-three".