204323454203201 has 4 divisors (see below), whose sum is σ = 204325247682132. Its totient is φ = 204321660724272.

The previous prime is 204323454203153. The next prime is 204323454203203. The reversal of 204323454203201 is 102302454323402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73114470490000 + 131208983713201 = 8550700^2 + 11454649^2 .

It is a cyclic number.

It is not a de Polignac number, because 204323454203201 - 2³⁴ = 204306274334017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204323454203203) 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, 896568566 + ... + 896796431.

It is an arithmetic number, because the mean of its divisors is an integer number (51081311920533).

Almost surely, 2^{204323454203201} is an apocalyptic number.

It is an amenable number.

204323454203201 is a deficient number, since it is larger than the sum of its proper divisors (1793478931).

204323454203201 is a wasteful number, since it uses less digits than its factorization.

204323454203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793478930.

The product of its (nonzero) digits is 138240, while the sum is 35.

The spelling of 204323454203201 in words is "two hundred four trillion, three hundred twenty-three billion, four hundred fifty-four million, two hundred three thousand, two hundred one".