204220102310323 has 4 divisors (see below), whose sum is σ = 222785566156728. Its totient is φ = 185654638463920.

The previous prime is 204220102310317. The next prime is 204220102310377. The reversal of 204220102310323 is 323013201022402.

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

It is a cyclic number.

It is not a de Polignac number, because 204220102310323 - 2¹⁷ = 204220102179251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204220102310383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9282731923186 + ... + 9282731923207.

It is an arithmetic number, because the mean of its divisors is an integer number (55696391539182).

Almost surely, 2^{204220102310323} is an apocalyptic number.

204220102310323 is a deficient number, since it is larger than the sum of its proper divisors (18565463846405).

204220102310323 is a wasteful number, since it uses less digits than its factorization.

204220102310323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18565463846404.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 204220102310323 its reverse (323013201022402), we get a palindrome (527233303332725).

The spelling of 204220102310323 in words is "two hundred four trillion, two hundred twenty billion, one hundred two million, three hundred ten thousand, three hundred twenty-three".