204650400423 has 8 divisors (see below), whose sum is σ = 311848229248. Its totient is φ = 116943085944.

The previous prime is 204650400397. The next prime is 204650400587. The reversal of 204650400423 is 324004056402.

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

It is not a de Polignac number, because 204650400423 - 2¹⁶ = 204650334887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204650400223) 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, 4872628561 + ... + 4872628602.

It is an arithmetic number, because the mean of its divisors is an integer number (38981028656).

Almost surely, 2^204650400423 is an apocalyptic number.

204650400423 is a deficient number, since it is larger than the sum of its proper divisors (107197828825).

204650400423 is an equidigital number, since it uses as much as digits as its factorization.

204650400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745257173.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 204650400423 its reverse (324004056402), we get a palindrome (528654456825).

The spelling of 204650400423 in words is "two hundred four billion, six hundred fifty million, four hundred thousand, four hundred twenty-three".