11320311323 has 4 divisors (see below), whose sum is σ = 11685482688. Its totient is φ = 10955139960.

The previous prime is 11320311313. The next prime is 11320311329. The reversal of 11320311323 is 32311302311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11320311323 - 2⁶ = 11320311259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320311295 and 11320311304.

It is not an unprimeable number, because it can be changed into a prime (11320311329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182585636 + ... + 182585697.

It is an arithmetic number, because the mean of its divisors is an integer number (2921370672).

Almost surely, 2^11320311323 is an apocalyptic number.

11320311323 is a deficient number, since it is larger than the sum of its proper divisors (365171365).

11320311323 is an equidigital number, since it uses as much as digits as its factorization.

11320311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365171364.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11320311323 its reverse (32311302311), we get a palindrome (43631613634).

The spelling of 11320311323 in words is "eleven billion, three hundred twenty million, three hundred eleven thousand, three hundred twenty-three".