204530134343 has 8 divisors (see below), whose sum is σ = 205391692800. Its totient is φ = 203668947000.

The previous prime is 204530134331. The next prime is 204530134349. The reversal of 204530134343 is 343431035402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204530134343 - 2¹⁶ = 204530068807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204530134349) 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 in 7 ways as a sum of consecutive naturals, for example, 1040858 + ... + 1221656.

It is an arithmetic number, because the mean of its divisors is an integer number (25673961600).

Almost surely, 2^204530134343 is an apocalyptic number.

204530134343 is a deficient number, since it is larger than the sum of its proper divisors (861558457).

204530134343 is a wasteful number, since it uses less digits than its factorization.

204530134343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185557.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 204530134343 its reverse (343431035402), we get a palindrome (547961169745).

The spelling of 204530134343 in words is "two hundred four billion, five hundred thirty million, one hundred thirty-four thousand, three hundred forty-three".