223712 has 12 divisors (see below), whose sum is σ = 440496. Its totient is φ = 111840.

The previous prime is 223711. The next prime is 223747. The reversal of 223712 is 217322.

223712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 223712.

It is not an unprimeable number, because it can be changed into a prime (223711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (36708).

2²²³⁷¹² is an apocalyptic number.

It is an amenable number.

223712 is a deficient number, since it is larger than the sum of its proper divisors (216784).

223712 is an equidigital number, since it uses as much as digits as its factorization.

223712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001 (or 6993 counting only the distinct ones).

The product of its digits is 168, while the sum is 17.

The square root of 223712 is about 472.9820292569. The cubic root of 223712 is about 60.7057403692.

Adding to 223712 its sum of digits (17), we get a square (223729 = 473²).

The spelling of 223712 in words is "two hundred twenty-three thousand, seven hundred twelve", and thus it is an iban number.