204350421143323 has 24 divisors (see below), whose sum is σ = 256405133513760. Its totient is φ = 161427615068160.

The previous prime is 204350421143299. The next prime is 204350421143333. The reversal of 204350421143323 is 323341124053402.

204350421143323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-204350421143323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204350421143333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253798758 + ... + 254602651.

It is an arithmetic number, because the mean of its divisors is an integer number (10683547229740).

Almost surely, 2^{204350421143323} is an apocalyptic number.

204350421143323 is a deficient number, since it is larger than the sum of its proper divisors (52054712370437).

204350421143323 is a wasteful number, since it uses less digits than its factorization.

204350421143323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508402067 (or 508402060 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 204350421143323 its reverse (323341124053402), we get a palindrome (527691545196725).

The spelling of 204350421143323 in words is "two hundred four trillion, three hundred fifty billion, four hundred twenty-one million, one hundred forty-three thousand, three hundred twenty-three".