204324142243 has 8 divisors (see below), whose sum is σ = 220072796048. Its totient is φ = 188579975904.

The previous prime is 204324142241. The next prime is 204324142249. The reversal of 204324142243 is 342241423402.

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 204324142243 - 2¹ = 204324142241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204324142241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026996 + ... + 1209697.

It is an arithmetic number, because the mean of its divisors is an integer number (27509099506).

Almost surely, 2^204324142243 is an apocalyptic number.

204324142243 is a deficient number, since it is larger than the sum of its proper divisors (15748653805).

204324142243 is a wasteful number, since it uses less digits than its factorization.

204324142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243733.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 204324142243 its reverse (342241423402), we get a palindrome (546565565645).

The spelling of 204324142243 in words is "two hundred four billion, three hundred twenty-four million, one hundred forty-two thousand, two hundred forty-three".