204434210223 has 12 divisors (see below), whose sum is σ = 299701231128. Its totient is φ = 134255301840.

The previous prime is 204434210207. The next prime is 204434210231. The reversal of 204434210223 is 322012434402.

204434210223 is a `hidden beast` number, since 2 + 0 + 4 + 434 + 2 + 1 + 0 + 223 = 666.

It is not a de Polignac number, because 204434210223 - 2⁴ = 204434210207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204434210203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169513668 + ... + 169514873.

It is an arithmetic number, because the mean of its divisors is an integer number (24975102594).

Almost surely, 2^204434210223 is an apocalyptic number.

204434210223 is a deficient number, since it is larger than the sum of its proper divisors (95267020905).

204434210223 is a wasteful number, since it uses less digits than its factorization.

204434210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339028614 (or 339028611 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 204434210223 its reverse (322012434402), we get a palindrome (526446644625).

The spelling of 204434210223 in words is "two hundred four billion, four hundred thirty-four million, two hundred ten thousand, two hundred twenty-three".