223430223 has 4 divisors (see below), whose sum is σ = 297906968. Its totient is φ = 148953480.

The previous prime is 223430219. The next prime is 223430261. The reversal of 223430223 is 322034322.

223430223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 223430223 - 2² = 223430219 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 223430223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223430203) 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, 37238368 + ... + 37238373.

It is an arithmetic number, because the mean of its divisors is an integer number (74476742).

Almost surely, 2^223430223 is an apocalyptic number.

223430223 is a deficient number, since it is larger than the sum of its proper divisors (74476745).

223430223 is an equidigital number, since it uses as much as digits as its factorization.

223430223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74476744.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 223430223 is about 14947.5825135705. The cubic root of 223430223 is about 606.8024230599.

Adding to 223430223 its reverse (322034322), we get a palindrome (545464545).

The spelling of 223430223 in words is "two hundred twenty-three million, four hundred thirty thousand, two hundred twenty-three".