530423123 has 2 divisors, whose sum is σ = 530423124. Its totient is φ = 530423122.

The previous prime is 530423119. The next prime is 530423129. The reversal of 530423123 is 321324035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530423123 - 2² = 530423119 is a prime.

It is not a weakly prime, because it can be changed into another prime (530423129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265211561 + 265211562.

It is an arithmetic number, because the mean of its divisors is an integer number (265211562).

Almost surely, 2^530423123 is an apocalyptic number.

530423123 is a deficient number, since it is larger than the sum of its proper divisors (1).

530423123 is an equidigital number, since it uses as much as digits as its factorization.

530423123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 530423123 is about 23030.9166773709. The cubic root of 530423123 is about 809.4825343982.

Adding to 530423123 its reverse (321324035), we get a palindrome (851747158).

It can be divided in two parts, 53042 and 3123, that added together give a palindrome (56165).

The spelling of 530423123 in words is "five hundred thirty million, four hundred twenty-three thousand, one hundred twenty-three".