204223403423 has 8 divisors (see below), whose sum is σ = 219937538016. Its totient is φ = 188509932000.

The previous prime is 204223403381. The next prime is 204223403441. The reversal of 204223403423 is 324304322402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204223403423 - 2⁶ = 204223403359 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 (204223403623) 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 in 7 ways as a sum of consecutive naturals, for example, 607373 + ... + 881673.

It is an arithmetic number, because the mean of its divisors is an integer number (27492192252).

Almost surely, 2^204223403423 is an apocalyptic number.

204223403423 is a deficient number, since it is larger than the sum of its proper divisors (15714134593).

204223403423 is a wasteful number, since it uses less digits than its factorization.

204223403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331585.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 204223403423 its reverse (324304322402), we get a palindrome (528527725825).

The spelling of 204223403423 in words is "two hundred four billion, two hundred twenty-three million, four hundred three thousand, four hundred twenty-three".