204300223 has 4 divisors (see below), whose sum is σ = 204364888. Its totient is φ = 204235560.

The previous prime is 204300221. The next prime is 204300259. The reversal of 204300223 is 322003402.

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 204300223 - 2¹ = 204300221 is a prime.

It is a super-2 number, since 2×204300223² = 83477162235699458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204300197 and 204300206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204300221) 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 3 ways as a sum of consecutive naturals, for example, 27336 + ... + 33997.

It is an arithmetic number, because the mean of its divisors is an integer number (51091222).

Almost surely, 2^204300223 is an apocalyptic number.

204300223 is a deficient number, since it is larger than the sum of its proper divisors (64665).

204300223 is an equidigital number, since it uses as much as digits as its factorization.

204300223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64664.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 204300223 is about 14293.3629003115. The cubic root of 204300223 is about 588.9651715680.

Adding to 204300223 its reverse (322003402), we get a palindrome (526303625).

The spelling of 204300223 in words is "two hundred four million, three hundred thousand, two hundred twenty-three".