204220343004423 has 8 divisors (see below), whose sum is σ = 272797106369136. Its totient is φ = 135895237488000.

The previous prime is 204220343004347. The next prime is 204220343004439. The reversal of 204220343004423 is 324400343022402.

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

It is not a de Polignac number, because 204220343004423 - 2¹⁰ = 204220343003399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204220343004523) 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, 62914460178 + ... + 62914463423.

It is an arithmetic number, because the mean of its divisors is an integer number (34099638296142).

Almost surely, 2^{204220343004423} is an apocalyptic number.

204220343004423 is a deficient number, since it is larger than the sum of its proper divisors (68576763364713).

204220343004423 is a wasteful number, since it uses less digits than its factorization.

204220343004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125828924145.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 204220343004423 its reverse (324400343022402), we get a palindrome (528620686026825).

The spelling of 204220343004423 in words is "two hundred four trillion, two hundred twenty billion, three hundred forty-three million, four thousand, four hundred twenty-three".