223634 has 8 divisors (see below), whose sum is σ = 346368. Its totient is φ = 108180.

The previous prime is 223633. The next prime is 223637. The reversal of 223634 is 436322.

223634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 6⁶ + 3⁸ + 3⁸ + 4² .

It is not an unprimeable number, because it can be changed into a prime (223633) 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, 1742 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (43296).

2²²³⁶³⁴ is an apocalyptic number.

223634 is a deficient number, since it is larger than the sum of its proper divisors (122734).

223634 is a wasteful number, since it uses less digits than its factorization.

223634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its digits is 864, while the sum is 20.

The square root of 223634 is about 472.8995665043. The cubic root of 223634 is about 60.6986842760.

Adding to 223634 its reverse (436322), we get a palindrome (659956).

The spelling of 223634 in words is "two hundred twenty-three thousand, six hundred thirty-four".