204102423 has 40 divisors (see below), whose sum is σ = 350570880. Its totient is φ = 115920720.

The previous prime is 204102421. The next prime is 204102443. The reversal of 204102423 is 324201402.

204102423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204102423 - 2¹ = 204102421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204102396 and 204102405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204102421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 100488 + ... + 102498.

It is an arithmetic number, because the mean of its divisors is an integer number (8764272).

Almost surely, 2^204102423 is an apocalyptic number.

204102423 is a deficient number, since it is larger than the sum of its proper divisors (146468457).

204102423 is a wasteful number, since it uses less digits than its factorization.

204102423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 204102423 is about 14286.4419293259. The cubic root of 204102423 is about 588.7750348395.

Adding to 204102423 its reverse (324201402), we get a palindrome (528303825).

The spelling of 204102423 in words is "two hundred four million, one hundred two thousand, four hundred twenty-three".