522423 has 16 divisors (see below), whose sum is σ = 844800. Its totient is φ = 316440.

The previous prime is 522413. The next prime is 522439. The reversal of 522423 is 324225.

It is not a de Polignac number, because 522423 - 2⁵ = 522391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522396 and 522405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (52800).

2⁵²²⁴²³ is an apocalyptic number.

522423 is a deficient number, since it is larger than the sum of its proper divisors (322377).

522423 is a wasteful number, since it uses less digits than its factorization.

522423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1773 counting only the distinct ones).

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

The square root of 522423 is about 722.7883507639. The cubic root of 522423 is about 80.5392219141.

Adding to 522423 its reverse (324225), we get a palindrome (846648).

The spelling of 522423 in words is "five hundred twenty-two thousand, four hundred twenty-three".