205133423 has 16 divisors (see below), whose sum is σ = 228413952. Its totient is φ = 182652000.

The previous prime is 205133393. The next prime is 205133437. The reversal of 205133423 is 324331502.

It is a cyclic number.

It is not a de Polignac number, because 205133423 - 2⁶ = 205133359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205133023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208190 + ... + 209172.

It is an arithmetic number, because the mean of its divisors is an integer number (14275872).

Almost surely, 2^205133423 is an apocalyptic number.

205133423 is a deficient number, since it is larger than the sum of its proper divisors (23280529).

205133423 is a wasteful number, since it uses less digits than its factorization.

205133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 205133423 is about 14322.4796386659. The cubic root of 205133423 is about 589.7647467720.

Adding to 205133423 its reverse (324331502), we get a palindrome (529464925).

The spelling of 205133423 in words is "two hundred five million, one hundred thirty-three thousand, four hundred twenty-three".