204054423 has 4 divisors (see below), whose sum is σ = 272072568. Its totient is φ = 136036280.

The previous prime is 204054379. The next prime is 204054439. The reversal of 204054423 is 324450402.

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 204054423 - 2⁶ = 204054359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204054393 and 204054402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204054443) 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, 34009068 + ... + 34009073.

It is an arithmetic number, because the mean of its divisors is an integer number (68018142).

Almost surely, 2^204054423 is an apocalyptic number.

204054423 is a deficient number, since it is larger than the sum of its proper divisors (68018145).

204054423 is an equidigital number, since it uses as much as digits as its factorization.

204054423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68018144.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 204054423 is about 14284.7619161119. The cubic root of 204054423 is about 588.7288759601.

The spelling of 204054423 in words is "two hundred four million, fifty-four thousand, four hundred twenty-three".