204321342344 has 32 divisors (see below), whose sum is σ = 439743403200. Its totient is φ = 87183898560.

The previous prime is 204321342343. The next prime is 204321342349. The reversal of 204321342344 is 443243123402.

It is a self number, because there is not a number n which added to its sum of digits gives 204321342344.

It is not an unprimeable number, because it can be changed into a prime (204321342343) 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, 7953542 + ... + 7979189.

It is an arithmetic number, because the mean of its divisors is an integer number (13741981350).

Almost surely, 2^204321342344 is an apocalyptic number.

It is an amenable number.

204321342344 is an abundant number, since it is smaller than the sum of its proper divisors (235422060856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204321342344 is a wasteful number, since it uses less digits than its factorization.

204321342344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15932973 (or 15932969 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 204321342344 its reverse (443243123402), we get a palindrome (647564465746).

The spelling of 204321342344 in words is "two hundred four billion, three hundred twenty-one million, three hundred forty-two thousand, three hundred forty-four".