530242123 has 4 divisors (see below), whose sum is σ = 532199008. Its totient is φ = 528285240.

The previous prime is 530242103. The next prime is 530242133. The reversal of 530242123 is 321242035.

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 530242123 - 2⁵ = 530242091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530242094 and 530242103.

It is not an unprimeable number, because it can be changed into a prime (530242103) 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, 978036 + ... + 978577.

It is an arithmetic number, because the mean of its divisors is an integer number (133049752).

Almost surely, 2^530242123 is an apocalyptic number.

530242123 is a deficient number, since it is larger than the sum of its proper divisors (1956885).

530242123 is a wasteful number, since it uses less digits than its factorization.

530242123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956884.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 530242123 is about 23026.9868415301. The cubic root of 530242123 is about 809.3904487901.

Adding to 530242123 its reverse (321242035), we get a palindrome (851484158).

The spelling of 530242123 in words is "five hundred thirty million, two hundred forty-two thousand, one hundred twenty-three".