224523 has 24 divisors (see below), whose sum is σ = 371280. Its totient is φ = 129600.

The previous prime is 224513. The next prime is 224527. The reversal of 224523 is 325422.

224523 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224523 - 2⁵ = 224491 is a prime.

224523 is strictly pandigital in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 224496 and 224505.

It is not an unprimeable number, because it can be changed into a prime (224527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2173 + ... + 2273.

It is an arithmetic number, because the mean of its divisors is an integer number (15470).

2²²⁴⁵²³ is an apocalyptic number.

224523 is a deficient number, since it is larger than the sum of its proper divisors (146757).

224523 is a wasteful number, since it uses less digits than its factorization.

224523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 136 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 224523 is about 473.8385801093. The cubic root of 224523 is about 60.7790086526.

Adding to 224523 its reverse (325422), we get a palindrome (549945).

It can be divided in two parts, 224 and 523, that added together give a palindrome (747).

The spelling of 224523 in words is "two hundred twenty-four thousand, five hundred twenty-three".