204423201244441 has 4 divisors (see below), whose sum is σ = 204425542332432. Its totient is φ = 204420860156452.

The previous prime is 204423201244403. The next prime is 204423201244481. The reversal of 204423201244441 is 144442102324402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204423201244441 - 2⁹ = 204423201243929 is a prime.

It is a super-2 number, since 2×204423201244441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204423201244441.

It is not an unprimeable number, because it can be changed into a prime (204423201244481) 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, 1170413011 + ... + 1170587656.

It is an arithmetic number, because the mean of its divisors is an integer number (51106385583108).

Almost surely, 2^{204423201244441} is an apocalyptic number.

It is an amenable number.

204423201244441 is a deficient number, since it is larger than the sum of its proper divisors (2341087991).

204423201244441 is an equidigital number, since it uses as much as digits as its factorization.

204423201244441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341087990.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 204423201244441 its reverse (144442102324402), we get a palindrome (348865303568843).

The spelling of 204423201244441 in words is "two hundred four trillion, four hundred twenty-three billion, two hundred one million, two hundred forty-four thousand, four hundred forty-one".