530823 has 8 divisors (see below), whose sum is σ = 720000. Its totient is φ = 347768.

The previous prime is 530807. The next prime is 530833. The reversal of 530823 is 328035.

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

It is a cyclic number.

It is not a de Polignac number, because 530823 - 2⁴ = 530807 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 530823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530833) 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, 1323 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (90000).

2⁵³⁰⁸²³ is an apocalyptic number.

530823 is a deficient number, since it is larger than the sum of its proper divisors (189177).

530823 is a wasteful number, since it uses less digits than its factorization.

530823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 530823 is about 728.5760083890. The cubic root of 530823 is about 80.9685901688.

Adding to 530823 its reverse (328035), we get a palindrome (858858).

The spelling of 530823 in words is "five hundred thirty thousand, eight hundred twenty-three".