11312231323 has 4 divisors (see below), whose sum is σ = 11312452008. Its totient is φ = 11312010640.

The previous prime is 11312231311. The next prime is 11312231339. The reversal of 11312231323 is 32313221311.

11312231323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312231323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11312231294 and 11312231303.

It is not an unprimeable number, because it can be changed into a prime (11312231363) 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 3 ways as a sum of consecutive naturals, for example, 11103 + ... + 150823.

It is an arithmetic number, because the mean of its divisors is an integer number (2828113002).

Almost surely, 2^11312231323 is an apocalyptic number.

11312231323 is a deficient number, since it is larger than the sum of its proper divisors (220685).

11312231323 is an equidigital number, since it uses as much as digits as its factorization.

11312231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220684.

The product of its digits is 648, while the sum is 22.

Adding to 11312231323 its reverse (32313221311), we get a palindrome (43625452634).

The spelling of 11312231323 in words is "eleven billion, three hundred twelve million, two hundred thirty-one thousand, three hundred twenty-three".