204003343 has 4 divisors (see below), whose sum is σ = 210584128. Its totient is φ = 197422560.

The previous prime is 204003277. The next prime is 204003379. The reversal of 204003343 is 343300402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343300402 = 2 ⋅171650201.

It is a cyclic number.

It is not a de Polignac number, because 204003343 - 2⁹ = 204002831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204003343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204003143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290346 + ... + 3290407.

It is an arithmetic number, because the mean of its divisors is an integer number (52646032).

Almost surely, 2^204003343 is an apocalyptic number.

204003343 is a deficient number, since it is larger than the sum of its proper divisors (6580785).

204003343 is an equidigital number, since it uses as much as digits as its factorization.

204003343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580784.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 204003343 is about 14282.9738850143. The cubic root of 204003343 is about 588.6797472682.

Adding to 204003343 its reverse (343300402), we get a palindrome (547303745).

The spelling of 204003343 in words is "two hundred four million, three thousand, three hundred forty-three".