223012443 has 24 divisors (see below), whose sum is σ = 332311248. Its totient is φ = 132553728.

The previous prime is 223012417. The next prime is 223012457. The reversal of 223012443 is 344210322.

It is not a de Polignac number, because 223012443 - 2⁵ = 223012411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223012043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12355 + ... + 24467.

It is an arithmetic number, because the mean of its divisors is an integer number (13846302).

Almost surely, 2^223012443 is an apocalyptic number.

223012443 is a deficient number, since it is larger than the sum of its proper divisors (109298805).

223012443 is a wasteful number, since it uses less digits than its factorization.

223012443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171 (or 12152 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 223012443 is about 14933.6011397117. The cubic root of 223012443 is about 606.4239781546.

Adding to 223012443 its reverse (344210322), we get a palindrome (567222765).

The spelling of 223012443 in words is "two hundred twenty-three million, twelve thousand, four hundred forty-three".