204623201 has 2 divisors, whose sum is σ = 204623202. Its totient is φ = 204623200.

The previous prime is 204623171. The next prime is 204623213. The reversal of 204623201 is 102326402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203804176 + 819025 = 14276^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 204623201 - 2¹⁰ = 204622177 is a prime.

It is not a weakly prime, because it can be changed into another prime (204623231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102311600 + 102311601.

It is an arithmetic number, because the mean of its divisors is an integer number (102311601).

Almost surely, 2^204623201 is an apocalyptic number.

It is an amenable number.

204623201 is a deficient number, since it is larger than the sum of its proper divisors (1).

204623201 is an equidigital number, since it uses as much as digits as its factorization.

204623201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 204623201 is about 14304.6566194369. The cubic root of 204623201 is about 589.2753729591.

Adding to 204623201 its reverse (102326402), we get a palindrome (306949603).

The spelling of 204623201 in words is "two hundred four million, six hundred twenty-three thousand, two hundred one".