223534 has 4 divisors (see below), whose sum is σ = 335304. Its totient is φ = 111766.

The previous prime is 223529. The next prime is 223543. The reversal of 223534 is 435322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435322 = 2 ⋅217661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55882 + ... + 55885.

It is an arithmetic number, because the mean of its divisors is an integer number (83826).

2²²³⁵³⁴ is an apocalyptic number.

223534 is a deficient number, since it is larger than the sum of its proper divisors (111770).

223534 is a wasteful number, since it uses less digits than its factorization.

223534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111769.

The product of its digits is 720, while the sum is 19.

The square root of 223534 is about 472.7938239867. The cubic root of 223534 is about 60.6896356022.

Adding to 223534 its reverse (435322), we get a palindrome (658856).

It can be divided in two parts, 223 and 534, that added together give a palindrome (757).

The spelling of 223534 in words is "two hundred twenty-three thousand, five hundred thirty-four".