530503423 has 4 divisors (see below), whose sum is σ = 531664720. Its totient is φ = 529342128.

The previous prime is 530503361. The next prime is 530503433. The reversal of 530503423 is 324305035.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324305035 = 5 ⋅64861007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530503423 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 (530503433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579963 + ... + 580876.

It is an arithmetic number, because the mean of its divisors is an integer number (132916180).

Almost surely, 2^530503423 is an apocalyptic number.

530503423 is a deficient number, since it is larger than the sum of its proper divisors (1161297).

530503423 is a wasteful number, since it uses less digits than its factorization.

530503423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161296.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 530503423 is about 23032.6599202090. The cubic root of 530503423 is about 809.5233811391.

Adding to 530503423 its reverse (324305035), we get a palindrome (854808458).

The spelling of 530503423 in words is "five hundred thirty million, five hundred three thousand, four hundred twenty-three".