204321343411 has 8 divisors (see below), whose sum is σ = 208187353440. Its totient is φ = 200455736832.

The previous prime is 204321343397. The next prime is 204321343451. The reversal of 204321343411 is 114343123402.

It is a happy number.

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 204321343411 - 2⁷ = 204321343283 is a prime.

It is a super-2 number, since 2×204321343411² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204321343411.

It is not an unprimeable number, because it can be changed into a prime (204321343451) 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, 1043155 + ... + 1223443.

It is an arithmetic number, because the mean of its divisors is an integer number (26023419180).

Almost surely, 2^204321343411 is an apocalyptic number.

204321343411 is a deficient number, since it is larger than the sum of its proper divisors (3866010029).

204321343411 is a wasteful number, since it uses less digits than its factorization.

204321343411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201725.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 204321343411 its reverse (114343123402), we get a palindrome (318664466813).

The spelling of 204321343411 in words is "two hundred four billion, three hundred twenty-one million, three hundred forty-three thousand, four hundred eleven".