204923 has 2 divisors, whose sum is σ = 204924. Its totient is φ = 204922.

The previous prime is 204917. The next prime is 204931. The reversal of 204923 is 329402.

204923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204923 - 2⁶ = 204859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204895 and 204904.

It is not a weakly prime, because it can be changed into another prime (204913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102461 + 102462.

It is an arithmetic number, because the mean of its divisors is an integer number (102462).

2²⁰⁴⁹²³ is an apocalyptic number.

204923 is a deficient number, since it is larger than the sum of its proper divisors (1).

204923 is an equidigital number, since it uses as much as digits as its factorization.

204923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 204923 is about 452.6842166456. The cubic root of 204923 is about 58.9563020300.

The spelling of 204923 in words is "two hundred four thousand, nine hundred twenty-three".