11311323 has 8 divisors (see below), whose sum is σ = 15263808. Its totient is φ = 7449864.

The previous prime is 11311319. The next prime is 11311337. The reversal of 11311323 is 32311311.

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

It is not a de Polignac number, because 11311323 - 2² = 11311319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22465 + ... + 22962.

It is an arithmetic number, because the mean of its divisors is an integer number (1907976).

Almost surely, 2^11311323 is an apocalyptic number.

11311323 is a deficient number, since it is larger than the sum of its proper divisors (3952485).

11311323 is an equidigital number, since it uses as much as digits as its factorization.

11311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45513.

The product of its digits is 54, while the sum is 15.

The square root of 11311323 is about 3363.2310357750. The cubic root of 11311323 is about 224.4766304545.

Adding to 11311323 its reverse (32311311), we get a palindrome (43622634).

The spelling of 11311323 in words is "eleven million, three hundred eleven thousand, three hundred twenty-three".