204223442003 has 8 divisors (see below), whose sum is σ = 238161448800. Its totient is φ = 175048664280.

The previous prime is 204223441987. The next prime is 204223442029. The reversal of 204223442003 is 300244322402.

It is a happy number.

It is not a de Polignac number, because 204223442003 - 2⁴ = 204223441987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204223442303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297701468 + ... + 297702153.

It is an arithmetic number, because the mean of its divisors is an integer number (29770181100).

Almost surely, 2^204223442003 is an apocalyptic number.

204223442003 is a deficient number, since it is larger than the sum of its proper divisors (33938006797).

204223442003 is an frugal number, since it uses more digits than its factorization.

204223442003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595403642 (or 595403628 counting only the distinct ones).

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

Adding to 204223442003 its reverse (300244322402), we get a palindrome (504467764405).

The spelling of 204223442003 in words is "two hundred four billion, two hundred twenty-three million, four hundred forty-two thousand, three".