204423552530 has 8 divisors (see below), whose sum is σ = 367962394572. Its totient is φ = 81769421008.

The previous prime is 204423552491. The next prime is 204423552547. The reversal of 204423552530 is 35255324402.

It can be written as a sum of positive squares in 2 ways, for example, as 169932748441 + 34490804089 = 412229^2 + 185717^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10221177617 + ... + 10221177636.

Almost surely, 2^204423552530 is an apocalyptic number.

204423552530 is a deficient number, since it is larger than the sum of its proper divisors (163538842042).

204423552530 is a wasteful number, since it uses less digits than its factorization.

204423552530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20442355260.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 204423552530 its reverse (35255324402), we get a palindrome (239678876932).

The spelling of 204423552530 in words is "two hundred four billion, four hundred twenty-three million, five hundred fifty-two thousand, five hundred thirty".