223440003 has 12 divisors (see below), whose sum is σ = 331470048. Its totient is φ = 144933840.

The previous prime is 223440001. The next prime is 223440043. The reversal of 223440003 is 300044322.

223440003 is a `hidden beast` number, since 223 + 440 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 223440003 - 2¹ = 223440001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223440001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335163 + ... + 335828.

It is an arithmetic number, because the mean of its divisors is an integer number (27622504).

Almost surely, 2^223440003 is an apocalyptic number.

223440003 is a deficient number, since it is larger than the sum of its proper divisors (108030045).

223440003 is a wasteful number, since it uses less digits than its factorization.

223440003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671034 (or 671031 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 223440003 is about 14947.9096531923. The cubic root of 223440003 is about 606.8112765937.

Adding to 223440003 its reverse (300044322), we get a palindrome (523484325).

The spelling of 223440003 in words is "two hundred twenty-three million, four hundred forty thousand, three".