204343103 has 4 divisors (see below), whose sum is σ = 210934848. Its totient is φ = 197751360.

The previous prime is 204343093. The next prime is 204343121. The reversal of 204343103 is 301343402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301343402 = 2 ⋅150671701.

It is a cyclic number.

It is not a de Polignac number, because 204343103 - 2¹⁰ = 204342079 is a prime.

It is a super-2 number, since 2×204343103² = 83512207487337218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204343123) 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, 3295826 + ... + 3295887.

It is an arithmetic number, because the mean of its divisors is an integer number (52733712).

Almost surely, 2^204343103 is an apocalyptic number.

204343103 is a deficient number, since it is larger than the sum of its proper divisors (6591745).

204343103 is an equidigital number, since it uses as much as digits as its factorization.

204343103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591744.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 204343103 is about 14294.8628185093. The cubic root of 204343103 is about 589.0063741007.

Adding to 204343103 its reverse (301343402), we get a palindrome (505686505).

The spelling of 204343103 in words is "two hundred four million, three hundred forty-three thousand, one hundred three".