530421665023 has 8 divisors (see below), whose sum is σ = 538368479360. Its totient is φ = 522475735320.

The previous prime is 530421664973. The next prime is 530421665057. The reversal of 530421665023 is 320566124035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530421665023 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 (530421665623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040518 + ... + 1464076.

It is an arithmetic number, because the mean of its divisors is an integer number (67296059920).

Almost surely, 2^530421665023 is an apocalyptic number.

530421665023 is a deficient number, since it is larger than the sum of its proper divisors (7946814337).

530421665023 is a wasteful number, since it uses less digits than its factorization.

530421665023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442317.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 530421665023 its reverse (320566124035), we get a palindrome (850987789058).

The spelling of 530421665023 in words is "five hundred thirty billion, four hundred twenty-one million, six hundred sixty-five thousand, twenty-three".