528423 has 8 divisors (see below), whose sum is σ = 805248. Its totient is φ = 301944.

The previous prime is 528419. The next prime is 528433. The reversal of 528423 is 324825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 528423 - 2² = 528419 is a prime.

528423 is a lucky number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 528393 and 528402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12561 + ... + 12602.

It is an arithmetic number, because the mean of its divisors is an integer number (100656).

2⁵²⁸⁴²³ is an apocalyptic number.

528423 is a deficient number, since it is larger than the sum of its proper divisors (276825).

528423 is a wasteful number, since it uses less digits than its factorization.

528423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25173.

The product of its digits is 1920, while the sum is 24.

The square root of 528423 is about 726.9270940060. The cubic root of 528423 is about 80.8463785467.

The spelling of 528423 in words is "five hundred twenty-eight thousand, four hundred twenty-three".