223573 has 12 divisors (see below), whose sum is σ = 275680. Its totient is φ = 177120.

The previous prime is 223549. The next prime is 223577. The reversal of 223573 is 375322.

It is a happy number.

It is not a de Polignac number, because 223573 - 2⁹ = 223061 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5433 + ... + 5473.

223573 is a Friedman number, since it can be written as 7*(22^3*3-5), using all its digits and the basic arithmetic operations.

2²²³⁵⁷³ is an apocalyptic number.

It is an amenable number.

223573 is a deficient number, since it is larger than the sum of its proper divisors (52107).

223573 is an equidigital number, since it uses as much as digits as its factorization.

223573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 67 counting only the distinct ones).

The product of its digits is 1260, while the sum is 22.

The square root of 223573 is about 472.8350663815. The cubic root of 223573 is about 60.6931649059.

Adding to 223573 its reverse (375322), we get a palindrome (598895).

It can be divided in two parts, 22 and 3573, that multiplied together give a triangular number (78606 = T₃₉₆).

The spelling of 223573 in words is "two hundred twenty-three thousand, five hundred seventy-three".