11323311323 has 4 divisors (see below), whose sum is σ = 11323805808. Its totient is φ = 11322816840.

The previous prime is 11323311301. The next prime is 11323311331. The reversal of 11323311323 is 32311332311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32311332311 = 173 ⋅186770707.

It is a cyclic number.

It is not a de Polignac number, because 11323311323 - 2⁸ = 11323311067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11323311353) 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, 211136 + ... + 259277.

It is an arithmetic number, because the mean of its divisors is an integer number (2830951452).

Almost surely, 2^11323311323 is an apocalyptic number.

11323311323 is a deficient number, since it is larger than the sum of its proper divisors (494485).

11323311323 is an equidigital number, since it uses as much as digits as its factorization.

11323311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494484.

The product of its digits is 972, while the sum is 23.

Adding to 11323311323 its reverse (32311332311), we get a palindrome (43634643634).

The spelling of 11323311323 in words is "eleven billion, three hundred twenty-three million, three hundred eleven thousand, three hundred twenty-three".