204123301 has 6 divisors (see below), whose sum is σ = 216837170. Its totient is φ = 192115776.

The previous prime is 204123253. The next prime is 204123331. The reversal of 204123301 is 103321402.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 119464900 + 84658401 = 10930^2 + 9201^2 .

It is not a de Polignac number, because 204123301 - 2⁷ = 204123173 is a prime.

It is a super-2 number, since 2×204123301² = 83332644022273202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204123331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352866 + ... + 353443.

Almost surely, 2^204123301 is an apocalyptic number.

It is an amenable number.

204123301 is a deficient number, since it is larger than the sum of its proper divisors (12713869).

204123301 is an equidigital number, since it uses as much as digits as its factorization.

204123301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706343 (or 706326 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 204123301 is about 14287.1726034230. The cubic root of 204123301 is about 588.7951097704.

Adding to 204123301 its reverse (103321402), we get a palindrome (307444703).

The spelling of 204123301 in words is "two hundred four million, one hundred twenty-three thousand, three hundred one".