204302102143234 has 4 divisors (see below), whose sum is σ = 306453153214854. Its totient is φ = 102151051071616.

The previous prime is 204302102143231. The next prime is 204302102143241. The reversal of 204302102143234 is 432341201203402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 163990434515625 + 40311667627609 = 12805875^2 + 6349147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204302102143196 and 204302102143205.

It is not an unprimeable number, because it can be changed into a prime (204302102143231) 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 as a sum of consecutive naturals, namely, 51075525535807 + ... + 51075525535810.

Almost surely, 2^{204302102143234} is an apocalyptic number.

204302102143234 is a deficient number, since it is larger than the sum of its proper divisors (102151051071620).

204302102143234 is a wasteful number, since it uses less digits than its factorization.

204302102143234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102151051071619.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 204302102143234 its reverse (432341201203402), we get a palindrome (636643303346636).

The spelling of 204302102143234 in words is "two hundred four trillion, three hundred two billion, one hundred two million, one hundred forty-three thousand, two hundred thirty-four".