204423244443 has 48 divisors (see below), whose sum is σ = 326772856800. Its totient is φ = 122112714240.

The previous prime is 204423244439. The next prime is 204423244447. The reversal of 204423244443 is 344442324402.

204423244443 is a `hidden beast` number, since 204 + 4 + 2 + 3 + 2 + 4 + 4 + 443 = 666.

It is an interprime number because it is at equal distance from previous prime (204423244439) and next prime (204423244447).

It is not a de Polignac number, because 204423244443 - 2² = 204423244439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204423244398 and 204423244407.

It is not an unprimeable number, because it can be changed into a prime (204423244447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2756493 + ... + 2829681.

It is an arithmetic number, because the mean of its divisors is an integer number (6807767850).

Almost surely, 2^204423244443 is an apocalyptic number.

204423244443 is a deficient number, since it is larger than the sum of its proper divisors (122349612357).

204423244443 is a wasteful number, since it uses less digits than its factorization.

204423244443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73612 (or 73609 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 204423244443 its reverse (344442324402), we get a palindrome (548865568845).

The spelling of 204423244443 in words is "two hundred four billion, four hundred twenty-three million, two hundred forty-four thousand, four hundred forty-three".