424523 has 4 divisors (see below), whose sum is σ = 463128. Its totient is φ = 385920.

The previous prime is 424519. The next prime is 424537. The reversal of 424523 is 325424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424523 - 2² = 424519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424495 and 424504.

It is not an unprimeable number, because it can be changed into a prime (424573) 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, 19286 + ... + 19307.

It is an arithmetic number, because the mean of its divisors is an integer number (115782).

2⁴²⁴⁵²³ is an apocalyptic number.

424523 is a deficient number, since it is larger than the sum of its proper divisors (38605).

424523 is a wasteful number, since it uses less digits than its factorization.

424523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38604.

The product of its digits is 960, while the sum is 20.

The square root of 424523 is about 651.5542955119. The cubic root of 424523 is about 75.1565913463.

Adding to 424523 its reverse (325424), we get a palindrome (749947).

Subtracting from 424523 its reverse (325424), we obtain a palindrome (99099).

The spelling of 424523 in words is "four hundred twenty-four thousand, five hundred twenty-three".