11220423303 has 4 divisors (see below), whose sum is σ = 14960564408. Its totient is φ = 7480282200.

The previous prime is 11220423251. The next prime is 11220423323. The reversal of 11220423303 is 30332402211.

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

It is not a de Polignac number, because 11220423303 - 2⁸ = 11220423047 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 11220423303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220423323) 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, 1870070548 + ... + 1870070553.

It is an arithmetic number, because the mean of its divisors is an integer number (3740141102).

Almost surely, 2^11220423303 is an apocalyptic number.

11220423303 is a deficient number, since it is larger than the sum of its proper divisors (3740141105).

11220423303 is an equidigital number, since it uses as much as digits as its factorization.

11220423303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740141104.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 11220423303 its reverse (30332402211), we get a palindrome (41552825514).

The spelling of 11220423303 in words is "eleven billion, two hundred twenty million, four hundred twenty-three thousand, three hundred three".