11203311323 has 4 divisors (see below), whose sum is σ = 11206097400. Its totient is φ = 11200525248.

The previous prime is 11203311313. The next prime is 11203311337. The reversal of 11203311323 is 32311330211.

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-11203311323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203311295 and 11203311304.

It is not an unprimeable number, because it can be changed into a prime (11203311313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386998 + ... + 1395051.

It is an arithmetic number, because the mean of its divisors is an integer number (2801524350).

Almost surely, 2^11203311323 is an apocalyptic number.

11203311323 is a deficient number, since it is larger than the sum of its proper divisors (2786077).

11203311323 is an equidigital number, since it uses as much as digits as its factorization.

11203311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786076.

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

Adding to 11203311323 its reverse (32311330211), we get a palindrome (43514641534).

The spelling of 11203311323 in words is "eleven billion, two hundred three million, three hundred eleven thousand, three hundred twenty-three".