223443856 has 20 divisors (see below), whose sum is σ = 440262000. Its totient is φ = 109827872.

The previous prime is 223443853. The next prime is 223443863. The reversal of 223443856 is 658344322.

223443856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (223443853) 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, 117406 + ... + 119293.

It is an arithmetic number, because the mean of its divisors is an integer number (22013100).

Almost surely, 2^223443856 is an apocalyptic number.

It is an amenable number.

223443856 is a deficient number, since it is larger than the sum of its proper divisors (216818144).

223443856 is a wasteful number, since it uses less digits than its factorization.

223443856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236766 (or 236760 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 223443856 is about 14948.0385335334. The cubic root of 223443856 is about 606.8147645254.

The spelling of 223443856 in words is "two hundred twenty-three million, four hundred forty-three thousand, eight hundred fifty-six".