204342423 has 8 divisors (see below), whose sum is σ = 272899200. Its totient is φ = 136006968.

The previous prime is 204342377. The next prime is 204342443. The reversal of 204342423 is 324243402.

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

It is not a de Polignac number, because 204342423 - 2¹⁴ = 204326039 is a prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 204342393 and 204342402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204342443) 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, 53163 + ... + 56876.

It is an arithmetic number, because the mean of its divisors is an integer number (34112400).

Almost surely, 2^204342423 is an apocalyptic number.

204342423 is a deficient number, since it is larger than the sum of its proper divisors (68556777).

204342423 is a wasteful number, since it uses less digits than its factorization.

204342423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110661.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 204342423 is about 14294.8390337212. The cubic root of 204342423 is about 589.0057207473.

Adding to 204342423 its reverse (324243402), we get a palindrome (528585825).

The spelling of 204342423 in words is "two hundred four million, three hundred forty-two thousand, four hundred twenty-three".