223007223 has 4 divisors (see below), whose sum is σ = 297342968. Its totient is φ = 148671480.

The previous prime is 223007221. The next prime is 223007227. The reversal of 223007223 is 322700322.

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

It is not a de Polignac number, because 223007223 - 2¹ = 223007221 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 223007223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223007221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37167868 + ... + 37167873.

It is an arithmetic number, because the mean of its divisors is an integer number (74335742).

Almost surely, 2^223007223 is an apocalyptic number.

223007223 is a deficient number, since it is larger than the sum of its proper divisors (74335745).

223007223 is an equidigital number, since it uses as much as digits as its factorization.

223007223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74335744.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 223007223 is about 14933.4263650376. The cubic root of 223007223 is about 606.4192466430.

Adding to 223007223 its reverse (322700322), we get a palindrome (545707545).

The spelling of 223007223 in words is "two hundred twenty-three million, seven thousand, two hundred twenty-three".