205236233 has 8 divisors (see below), whose sum is σ = 218774400. Its totient is φ = 191971728.

The previous prime is 205236217. The next prime is 205236253. The reversal of 205236233 is 332632502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205236233 - 2⁴ = 205236217 is a prime.

It is a super-2 number, since 2×205236233² = 84243822672060578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205236203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66866 + ... + 69867.

It is an arithmetic number, because the mean of its divisors is an integer number (27346800).

Almost surely, 2^205236233 is an apocalyptic number.

It is an amenable number.

205236233 is a deficient number, since it is larger than the sum of its proper divisors (13538167).

205236233 is a wasteful number, since it uses less digits than its factorization.

205236233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136831.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 205236233 is about 14326.0683022244. The cubic root of 205236233 is about 589.8632575948.

Adding to 205236233 its reverse (332632502), we get a palindrome (537868735).

The spelling of 205236233 in words is "two hundred five million, two hundred thirty-six thousand, two hundred thirty-three".