205023838 has 8 divisors (see below), whose sum is σ = 308061432. Its totient is φ = 102336696.

The previous prime is 205023803. The next prime is 205023853. The reversal of 205023838 is 838320502.

205023838 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86145 + ... + 88492.

It is an arithmetic number, because the mean of its divisors is an integer number (38507679).

Almost surely, 2^205023838 is an apocalyptic number.

205023838 is a deficient number, since it is larger than the sum of its proper divisors (103037594).

205023838 is a wasteful number, since it uses less digits than its factorization.

205023838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175226.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 205023838 is about 14318.6534981471. The cubic root of 205023838 is about 589.6597080109.

The spelling of 205023838 in words is "two hundred five million, twenty-three thousand, eight hundred thirty-eight".