204352143 has 4 divisors (see below), whose sum is σ = 272469528. Its totient is φ = 136234760.

The previous prime is 204352139. The next prime is 204352151. The reversal of 204352143 is 341253402.

204352143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204352143 - 2² = 204352139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204352123) 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, 34058688 + ... + 34058693.

It is an arithmetic number, because the mean of its divisors is an integer number (68117382).

Almost surely, 2^204352143 is an apocalyptic number.

204352143 is a deficient number, since it is larger than the sum of its proper divisors (68117385).

204352143 is an equidigital number, since it uses as much as digits as its factorization.

204352143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68117384.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 204352143 is about 14295.1790125203. The cubic root of 204352143 is about 589.0150597199.

It can be divided in two parts, 20435 and 2143, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 204352143 in words is "two hundred four million, three hundred fifty-two thousand, one hundred forty-three".