204303343121303 has 2 divisors, whose sum is σ = 204303343121304. Its totient is φ = 204303343121302.

The previous prime is 204303343121249. The next prime is 204303343121347. The reversal of 204303343121303 is 303121343303402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204303343121303 - 2²⁶ = 204303276012439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204303343121303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204303343124303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102151671560651 + 102151671560652.

It is an arithmetic number, because the mean of its divisors is an integer number (102151671560652).

Almost surely, 2^{204303343121303} is an apocalyptic number.

204303343121303 is a deficient number, since it is larger than the sum of its proper divisors (1).

204303343121303 is an equidigital number, since it uses as much as digits as its factorization.

204303343121303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 204303343121303 its reverse (303121343303402), we get a palindrome (507424686424705).

The spelling of 204303343121303 in words is "two hundred four trillion, three hundred three billion, three hundred forty-three million, one hundred twenty-one thousand, three hundred three".