11323311303 has 16 divisors (see below), whose sum is σ = 15452159360. Its totient is φ = 7371743904.

The previous prime is 11323311301. The next prime is 11323311331. The reversal of 11323311303 is 30311332311.

It is not a de Polignac number, because 11323311303 - 2¹ = 11323311301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11323311303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323311301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157808 + ... + 1167546.

It is an arithmetic number, because the mean of its divisors is an integer number (965759960).

Almost surely, 2^11323311303 is an apocalyptic number.

11323311303 is a deficient number, since it is larger than the sum of its proper divisors (4128848057).

11323311303 is an equidigital number, since it uses as much as digits as its factorization.

11323311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18798.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 11323311303 its reverse (30311332311), we get a palindrome (41634643614).

The spelling of 11323311303 in words is "eleven billion, three hundred twenty-three million, three hundred eleven thousand, three hundred three".