223073 has 4 divisors (see below), whose sum is σ = 229140. Its totient is φ = 217008.

The previous prime is 223063. The next prime is 223087. The reversal of 223073 is 370322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370322 = 2 ⋅185161.

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 18769 = 452^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 223073 - 2⁶ = 223009 is a prime.

It is a super-3 number, since 3×223073³ = 33301383649470051, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (223063) 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, 2978 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (57285).

2²²³⁰⁷³ is an apocalyptic number.

It is an amenable number.

223073 is a deficient number, since it is larger than the sum of its proper divisors (6067).

223073 is an equidigital number, since it uses as much as digits as its factorization.

223073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 223073 is about 472.3060448480. The cubic root of 223073 is about 60.6478862825.

Adding to 223073 its reverse (370322), we get a palindrome (593395).

The spelling of 223073 in words is "two hundred twenty-three thousand, seventy-three", and thus it is an iban number.