223424 has 14 divisors (see below), whose sum is σ = 443484. Its totient is φ = 111680.

The previous prime is 223423. The next prime is 223429. The reversal of 223424 is 424322.

223424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (223423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1682 + ... + 1809.

2²²³⁴²⁴ is an apocalyptic number.

It is an amenable number.

223424 is a deficient number, since it is larger than the sum of its proper divisors (220060).

223424 is an equidigital number, since it uses as much as digits as its factorization.

223424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503 (or 3493 counting only the distinct ones).

The product of its digits is 384, while the sum is 17.

The square root of 223424 is about 472.6774798951. The cubic root of 223424 is about 60.6796789434.

Adding to 223424 its reverse (424322), we get a palindrome (647746).

The spelling of 223424 in words is "two hundred twenty-three thousand, four hundred twenty-four", and thus it is an iban number.