204323011 has 2 divisors, whose sum is σ = 204323012. Its totient is φ = 204323010.

The previous prime is 204322981. The next prime is 204323039. The reversal of 204323011 is 110323402.

It is a happy number.

204323011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204323011 - 2⁷ = 204322883 is a prime.

It is a super-2 number, since 2×204323011² = 83495785648212242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204323071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102161505 + 102161506.

It is an arithmetic number, because the mean of its divisors is an integer number (102161506).

Almost surely, 2^204323011 is an apocalyptic number.

204323011 is a deficient number, since it is larger than the sum of its proper divisors (1).

204323011 is an equidigital number, since it uses as much as digits as its factorization.

204323011 is an evil number, because the sum of its binary digits is even.

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

The square root of 204323011 is about 14294.1600312855. The cubic root of 204323011 is about 588.9870688183.

Adding to 204323011 its reverse (110323402), we get a palindrome (314646413).

The spelling of 204323011 in words is "two hundred four million, three hundred twenty-three thousand, eleven".