523130223 has 64 divisors (see below), whose sum is σ = 897408000. Its totient is φ = 268692480.

The previous prime is 523130221. The next prime is 523130243. The reversal of 523130223 is 322031325.

It is not a de Polignac number, because 523130223 - 2¹ = 523130221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 523130223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523130221) 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 in 63 ways as a sum of consecutive naturals, for example, 1278843 + ... + 1279251.

It is an arithmetic number, because the mean of its divisors is an integer number (14022000).

Almost surely, 2^523130223 is an apocalyptic number.

523130223 is a deficient number, since it is larger than the sum of its proper divisors (374277777).

523130223 is a wasteful number, since it uses less digits than its factorization.

523130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 523130223 is about 22872.0402019584. The cubic root of 523130223 is about 805.7554848397.

Adding to 523130223 its reverse (322031325), we get a palindrome (845161548).

It can be divided in two parts, 5231302 and 23, that added together give a palindrome (5231325).

The spelling of 523130223 in words is "five hundred twenty-three million, one hundred thirty thousand, two hundred twenty-three".