204303343 has 2 divisors, whose sum is σ = 204303344. Its totient is φ = 204303342.

The previous prime is 204303317. The next prime is 204303349. The reversal of 204303343 is 343303402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204303343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204303349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102151671 + 102151672.

It is an arithmetic number, because the mean of its divisors is an integer number (102151672).

Almost surely, 2^204303343 is an apocalyptic number.

204303343 is a deficient number, since it is larger than the sum of its proper divisors (1).

204303343 is an equidigital number, since it uses as much as digits as its factorization.

204303343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 204303343 is about 14293.4720414600. The cubic root of 204303343 is about 588.9681697080.

Adding to 204303343 its reverse (343303402), we get a palindrome (547606745).

The spelling of 204303343 in words is "two hundred four million, three hundred three thousand, three hundred forty-three".