11123303 has 4 divisors (see below), whose sum is σ = 11708760. Its totient is φ = 10537848.

The previous prime is 11123263. The next prime is 11123311. The reversal of 11123303 is 30332111.

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-11123303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123323) 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, 292700 + ... + 292737.

It is an arithmetic number, because the mean of its divisors is an integer number (2927190).

Almost surely, 2^11123303 is an apocalyptic number.

11123303 is a deficient number, since it is larger than the sum of its proper divisors (585457).

11123303 is an equidigital number, since it uses as much as digits as its factorization.

11123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585456.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 11123303 is about 3335.1616152744. The cubic root of 11123303 is about 223.2259033819.

Adding to 11123303 its reverse (30332111), we get a palindrome (41455414).

The spelling of 11123303 in words is "eleven million, one hundred twenty-three thousand, three hundred three".