204410123 has 2 divisors, whose sum is σ = 204410124. Its totient is φ = 204410122.

The previous prime is 204410111. The next prime is 204410149. The reversal of 204410123 is 321014402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204410123 - 2²⁰ = 203361547 is a prime.

It is not a weakly prime, because it can be changed into another prime (204410153) 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 as a sum of consecutive naturals, namely, 102205061 + 102205062.

It is an arithmetic number, because the mean of its divisors is an integer number (102205062).

Almost surely, 2^204410123 is an apocalyptic number.

204410123 is a deficient number, since it is larger than the sum of its proper divisors (1).

204410123 is an equidigital number, since it uses as much as digits as its factorization.

204410123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204410123 is about 14297.2068251110. The cubic root of 204410123 is about 589.0707607324.

Adding to 204410123 its reverse (321014402), we get a palindrome (525424525).

It can be divided in two parts, 2044 and 10123, that added together give a cube (12167 = 23³).

The spelling of 204410123 in words is "two hundred four million, four hundred ten thousand, one hundred twenty-three".