204535423 has 2 divisors, whose sum is σ = 204535424. Its totient is φ = 204535422.

The previous prime is 204535411. The next prime is 204535433. The reversal of 204535423 is 324535402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204535423 - 2²⁵ = 170980991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204535391 and 204535400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204535433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102267711 + 102267712.

It is an arithmetic number, because the mean of its divisors is an integer number (102267712).

Almost surely, 2^204535423 is an apocalyptic number.

204535423 is a deficient number, since it is larger than the sum of its proper divisors (1).

204535423 is an equidigital number, since it uses as much as digits as its factorization.

204535423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 204535423 is about 14301.5881285961. The cubic root of 204535423 is about 589.1910996680.

The spelling of 204535423 in words is "two hundred four million, five hundred thirty-five thousand, four hundred twenty-three".