204423324112231 has 6 divisors (see below), whose sum is σ = 237798560702040. Its totient is φ = 175219992096156.

The previous prime is 204423324112187. The next prime is 204423324112253. The reversal of 204423324112231 is 132211423324402.

It is not a de Polignac number, because 204423324112231 - 2¹⁹ = 204423323587943 is a prime.

It is a super-2 number, since 2×204423324112231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423324112031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2085952286811 + ... + 2085952286908.

It is an arithmetic number, because the mean of its divisors is an integer number (39633093450340).

Almost surely, 2^{204423324112231} is an apocalyptic number.

204423324112231 is a deficient number, since it is larger than the sum of its proper divisors (33375236589809).

204423324112231 is an equidigital number, since it uses as much as digits as its factorization.

204423324112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171904573733 (or 4171904573726 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 204423324112231 its reverse (132211423324402), we get a palindrome (336634747436633).

The spelling of 204423324112231 in words is "two hundred four trillion, four hundred twenty-three billion, three hundred twenty-four million, one hundred twelve thousand, two hundred thirty-one".