530023142 has 16 divisors (see below), whose sum is σ = 868050000. Its totient is φ = 240714240.

The previous prime is 530023139. The next prime is 530023147. The reversal of 530023142 is 241320035.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530023147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17834 + ... + 37122.

It is an arithmetic number, because the mean of its divisors is an integer number (54253125).

Almost surely, 2^530023142 is an apocalyptic number.

530023142 is a deficient number, since it is larger than the sum of its proper divisors (338026858).

530023142 is a wasteful number, since it uses less digits than its factorization.

530023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20551.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 530023142 is about 23022.2314730784. The cubic root of 530023142 is about 809.2790119408.

Adding to 530023142 its reverse (241320035), we get a palindrome (771343177).

The spelling of 530023142 in words is "five hundred thirty million, twenty-three thousand, one hundred forty-two".