423524 has 12 divisors (see below), whose sum is σ = 748524. Its totient is φ = 209664.

The previous prime is 423509. The next prime is 423541. The reversal of 423524 is 425324.

It can be written as a sum of positive squares in 2 ways, for example, as 13924 + 409600 = 118^2 + 640^2 .

It is a d-powerful number, because it can be written as 4³ + 2¹⁴ + 5⁸ + 3 + 2¹⁴ + 4³ .

It is a junction number, because it is equal to n+sod(n) for n = 423496 and 423505.

It is an unprimeable number.

423524 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17 + ... + 920.

It is an arithmetic number, because the mean of its divisors is an integer number (62377).

2⁴²³⁵²⁴ is an apocalyptic number.

It is an amenable number.

423524 is a deficient number, since it is larger than the sum of its proper divisors (325000).

423524 is a wasteful number, since it uses less digits than its factorization.

423524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).

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

The square root of 423524 is about 650.7872156089. The cubic root of 423524 is about 75.0975914755.

Adding to 423524 its reverse (425324), we get a palindrome (848848).

The spelling of 423524 in words is "four hundred twenty-three thousand, five hundred twenty-four".