203223 has 4 divisors (see below), whose sum is σ = 270968. Its totient is φ = 135480.

The previous prime is 203221. The next prime is 203227. The reversal of 203223 is 322302.

203223 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 203223 - 2¹ = 203221 is a prime.

It is a D-number.

It is a Duffinian number.

203223 is strictly pandigital in base 7.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 203199 and 203208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33868 + ... + 33873.

It is an arithmetic number, because the mean of its divisors is an integer number (67742).

2²⁰³²²³ is an apocalyptic number.

203223 is a deficient number, since it is larger than the sum of its proper divisors (67745).

203223 is an equidigital number, since it uses as much as digits as its factorization.

203223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67744.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 203223 is about 450.8026175612. The cubic root of 203223 is about 58.7928192444.

Adding to 203223 its reverse (322302), we get a palindrome (525525).

The spelling of 203223 in words is "two hundred three thousand, two hundred twenty-three", and thus it is an iban number.