205338923 has 4 divisors (see below), whose sum is σ = 205518168. Its totient is φ = 205159680.

The previous prime is 205338919. The next prime is 205338941. The reversal of 205338923 is 329833502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 205338923 - 2² = 205338919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205338983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87893 + ... + 90198.

It is an arithmetic number, because the mean of its divisors is an integer number (51379542).

Almost surely, 2^205338923 is an apocalyptic number.

205338923 is a deficient number, since it is larger than the sum of its proper divisors (179245).

205338923 is a wasteful number, since it uses less digits than its factorization.

205338923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179244.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 205338923 is about 14329.6518799306. The cubic root of 205338923 is about 589.9616206003.

The spelling of 205338923 in words is "two hundred five million, three hundred thirty-eight thousand, nine hundred twenty-three".