204323443321411 has 32 divisors (see below), whose sum is σ = 221158079352320. Its totient is φ = 188109643680000.

The previous prime is 204323443321357. The next prime is 204323443321447. The reversal of 204323443321411 is 114123344323402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204323443321411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (204323443321471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4324190536 + ... + 4324237786.

It is an arithmetic number, because the mean of its divisors is an integer number (6911189979760).

Almost surely, 2^{204323443321411} is an apocalyptic number.

204323443321411 is a deficient number, since it is larger than the sum of its proper divisors (16834636030909).

204323443321411 is a wasteful number, since it uses less digits than its factorization.

204323443321411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54635.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 204323443321411 its reverse (114123344323402), we get a palindrome (318446787644813).

The spelling of 204323443321411 in words is "two hundred four trillion, three hundred twenty-three billion, four hundred forty-three million, three hundred twenty-one thousand, four hundred eleven".