223442243 has 8 divisors (see below), whose sum is σ = 227406240. Its totient is φ = 219510720.

The previous prime is 223442239. The next prime is 223442273. The reversal of 223442243 is 342244322.

It is a happy number.

223442243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223442243 - 2² = 223442239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223442213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5978 + ... + 21968.

It is an arithmetic number, because the mean of its divisors is an integer number (28425780).

Almost surely, 2^223442243 is an apocalyptic number.

223442243 is a deficient number, since it is larger than the sum of its proper divisors (3963997).

223442243 is a wasteful number, since it uses less digits than its factorization.

223442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16237.

The product of its digits is 9216, while the sum is 26.

The square root of 223442243 is about 14947.9845798690. The cubic root of 223442243 is about 606.8133043606.

Adding to 223442243 its reverse (342244322), we get a palindrome (565686565).

The spelling of 223442243 in words is "two hundred twenty-three million, four hundred forty-two thousand, two hundred forty-three".