223673 has 4 divisors (see below), whose sum is σ = 228480. Its totient is φ = 218868.

The previous prime is 223667. The next prime is 223679. The reversal of 223673 is 376322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (223667) and next prime (223679).

It is a cyclic number.

It is not a de Polignac number, because 223673 - 2¹² = 219577 is a prime.

It is a super-2 number, since 2×223673² = 100059221858, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 6 + 3⁶ + 7² + 3¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223679) 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, 2333 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (57120).

2²²³⁶⁷³ is an apocalyptic number.

It is an amenable number.

223673 is a deficient number, since it is larger than the sum of its proper divisors (4807).

223673 is an equidigital number, since it uses as much as digits as its factorization.

223673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806.

The product of its digits is 1512, while the sum is 23.

The square root of 223673 is about 472.9407996779. The cubic root of 223673 is about 60.7022125277.

Adding to 223673 its reverse (376322), we get a palindrome (599995).

The spelling of 223673 in words is "two hundred twenty-three thousand, six hundred seventy-three".