204122353 has 2 divisors, whose sum is σ = 204122354. Its totient is φ = 204122352.

The previous prime is 204122351. The next prime is 204122357. The reversal of 204122353 is 353221402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171950769 + 32171584 = 13113^2 + 5672^2 .

It is a cyclic number.

It is not a de Polignac number, because 204122353 - 2¹ = 204122351 is a prime.

Together with 204122351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (204122351) 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, 102061176 + 102061177.

It is an arithmetic number, because the mean of its divisors is an integer number (102061177).

Almost surely, 2^204122353 is an apocalyptic number.

It is an amenable number.

204122353 is a deficient number, since it is larger than the sum of its proper divisors (1).

204122353 is an equidigital number, since it uses as much as digits as its factorization.

204122353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 204122353 is about 14287.1394267712. The cubic root of 204122353 is about 588.7941982647.

Adding to 204122353 its reverse (353221402), we get a palindrome (557343755).

The spelling of 204122353 in words is "two hundred four million, one hundred twenty-two thousand, three hundred fifty-three".