11323112321 has 8 divisors (see below), whose sum is σ = 11762582400. Its totient is φ = 10886910160.

The previous prime is 11323112291. The next prime is 11323112329. The reversal of 11323112321 is 12321132311.

It is a happy number.

11323112321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11323112321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323112293 and 11323112302.

It is not an unprimeable number, because it can be changed into a prime (11323112329) 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 in 7 ways as a sum of consecutive naturals, for example, 809915 + ... + 823776.

It is an arithmetic number, because the mean of its divisors is an integer number (1470322800).

Almost surely, 2^11323112321 is an apocalyptic number.

It is an amenable number.

11323112321 is a deficient number, since it is larger than the sum of its proper divisors (439470079).

11323112321 is a wasteful number, since it uses less digits than its factorization.

11323112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633959.

The product of its digits is 216, while the sum is 20.

Adding to 11323112321 its reverse (12321132311), we get a palindrome (23644244632).

The spelling of 11323112321 in words is "eleven billion, three hundred twenty-three million, one hundred twelve thousand, three hundred twenty-one".