204434320233543 has 8 divisors (see below), whose sum is σ = 272942048499456. Its totient is φ = 136108069395000.

The previous prime is 204434320233541. The next prime is 204434320233557. The reversal of 204434320233543 is 345332023434402.

204434320233543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 204434320233543 - 2¹ = 204434320233541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204434320233495 and 204434320233504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204434320233541) 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, 45369354213 + ... + 45369358718.

It is an arithmetic number, because the mean of its divisors is an integer number (34117756062432).

Almost surely, 2^{204434320233543} is an apocalyptic number.

204434320233543 is a deficient number, since it is larger than the sum of its proper divisors (68507728265913).

204434320233543 is an equidigital number, since it uses as much as digits as its factorization.

204434320233543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90738713685.

The product of its (nonzero) digits is 2488320, while the sum is 42.

Adding to 204434320233543 its reverse (345332023434402), we get a palindrome (549766343667945).

The spelling of 204434320233543 in words is "two hundred four trillion, four hundred thirty-four billion, three hundred twenty million, two hundred thirty-three thousand, five hundred forty-three".