233212136 has 16 divisors (see below), whose sum is σ = 437472900. Its totient is φ = 116552704.

The previous prime is 233212121. The next prime is 233212159. The reversal of 233212136 is 631212332.

233212136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 232562500 + 649636 = 15250^2 + 806^2 .

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, 16730 + ... + 27318.

Almost surely, 2^233212136 is an apocalyptic number.

It is an amenable number.

233212136 is a deficient number, since it is larger than the sum of its proper divisors (204260764).

233212136 is a wasteful number, since it uses less digits than its factorization.

233212136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348 (or 13344 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 233212136 is about 15271.2846872816. The cubic root of 233212136 is about 615.5316406686.

Adding to 233212136 its reverse (631212332), we get a palindrome (864424468).

The spelling of 233212136 in words is "two hundred thirty-three million, two hundred twelve thousand, one hundred thirty-six".