204144304234223 has 4 divisors (see below), whose sum is σ = 204145418237688. Its totient is φ = 204143190230760.

The previous prime is 204144304234217. The next prime is 204144304234267. The reversal of 204144304234223 is 322432403441402.

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

It is a cyclic number.

It is not a de Polignac number, because 204144304234223 - 2⁴ = 204144304234207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204144304204223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556726808 + ... + 557093373.

It is an arithmetic number, because the mean of its divisors is an integer number (51036354559422).

Almost surely, 2^{204144304234223} is an apocalyptic number.

204144304234223 is a deficient number, since it is larger than the sum of its proper divisors (1114003465).

204144304234223 is a wasteful number, since it uses less digits than its factorization.

204144304234223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114003464.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 204144304234223 its reverse (322432403441402), we get a palindrome (526576707675625).

The spelling of 204144304234223 in words is "two hundred four trillion, one hundred forty-four billion, three hundred four million, two hundred thirty-four thousand, two hundred twenty-three".