204453123 has 8 divisors (see below), whose sum is σ = 311547648. Its totient is φ = 116830344.

The previous prime is 204453121. The next prime is 204453127. The reversal of 204453123 is 321354402.

204453123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 204453123 - 2¹ = 204453121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204453093 and 204453102.

It is not an unprimeable number, because it can be changed into a prime (204453121) 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, 4867911 + ... + 4867952.

It is an arithmetic number, because the mean of its divisors is an integer number (38943456).

Almost surely, 2^204453123 is an apocalyptic number.

204453123 is a deficient number, since it is larger than the sum of its proper divisors (107094525).

204453123 is an equidigital number, since it uses as much as digits as its factorization.

204453123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9735873.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 204453123 is about 14298.7105362686. The cubic root of 204453123 is about 589.1120637533.

The spelling of 204453123 in words is "two hundred four million, four hundred fifty-three thousand, one hundred twenty-three".