223345303 has 16 divisors (see below), whose sum is σ = 240252480. Its totient is φ = 206885376.

The previous prime is 223345289. The next prime is 223345319. The reversal of 223345303 is 303543322.

It is not a de Polignac number, because 223345303 - 2⁵ = 223345271 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 (223345333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400701 + ... + 401257.

It is an arithmetic number, because the mean of its divisors is an integer number (15015780).

Almost surely, 2^223345303 is an apocalyptic number.

223345303 is a deficient number, since it is larger than the sum of its proper divisors (16907177).

223345303 is a wasteful number, since it uses less digits than its factorization.

223345303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 223345303 is about 14944.7416504937. The cubic root of 223345303 is about 606.7255367270.

Adding to 223345303 its reverse (303543322), we get a palindrome (526888625).

The spelling of 223345303 in words is "two hundred twenty-three million, three hundred forty-five thousand, three hundred three".