530423 has 4 divisors (see below), whose sum is σ = 558360. Its totient is φ = 502488.

The previous prime is 530401. The next prime is 530429. The reversal of 530423 is 324035.

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 530423 - 2⁶ = 530359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13940 + ... + 13977.

It is an arithmetic number, because the mean of its divisors is an integer number (139590).

2⁵³⁰⁴²³ is an apocalyptic number.

530423 is a deficient number, since it is larger than the sum of its proper divisors (27937).

530423 is a wasteful number, since it uses less digits than its factorization.

530423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27936.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 530423 is about 728.3014485774. The cubic root of 530423 is about 80.9482471828.

Adding to 530423 its reverse (324035), we get a palindrome (854458).

The spelling of 530423 in words is "five hundred thirty thousand, four hundred twenty-three".