204234473 has 2 divisors, whose sum is σ = 204234474. Its totient is φ = 204234472.

The previous prime is 204234467. The next prime is 204234497. The reversal of 204234473 is 374432402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155052304 + 49182169 = 12452^2 + 7013^2 .

It is a cyclic number.

It is not a de Polignac number, because 204234473 - 2²⁰ = 203185897 is a prime.

It is not a weakly prime, because it can be changed into another prime (204234973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102117236 + 102117237.

It is an arithmetic number, because the mean of its divisors is an integer number (102117237).

Almost surely, 2^204234473 is an apocalyptic number.

It is an amenable number.

204234473 is a deficient number, since it is larger than the sum of its proper divisors (1).

204234473 is an equidigital number, since it uses as much as digits as its factorization.

204234473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 204234473 is about 14291.0626966647. The cubic root of 204234473 is about 588.9019825115.

Adding to 204234473 its reverse (374432402), we get a palindrome (578666875).

The spelling of 204234473 in words is "two hundred four million, two hundred thirty-four thousand, four hundred seventy-three".