204223044023 has 4 divisors (see below), whose sum is σ = 204332431560. Its totient is φ = 204113656488.

The previous prime is 204223044019. The next prime is 204223044059. The reversal of 204223044023 is 320440322402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320440322402 = 2 ⋅160220161201.

It is a cyclic number.

It is not a de Polignac number, because 204223044023 - 2² = 204223044019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204223043983 and 204223044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204223044013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54690968 + ... + 54694701.

It is an arithmetic number, because the mean of its divisors is an integer number (51083107890).

Almost surely, 2^204223044023 is an apocalyptic number.

204223044023 is a deficient number, since it is larger than the sum of its proper divisors (109387537).

204223044023 is a wasteful number, since it uses less digits than its factorization.

204223044023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109387536.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 204223044023 its reverse (320440322402), we get a palindrome (524663366425).

The spelling of 204223044023 in words is "two hundred four billion, two hundred twenty-three million, forty-four thousand, twenty-three".