233213112 has 48 divisors (see below), whose sum is σ = 689041080. Its totient is φ = 70670400.

The previous prime is 233213083. The next prime is 233213117. The reversal of 233213112 is 211312332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233213117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146439 + ... + 148022.

Almost surely, 2^233213112 is an apocalyptic number.

233213112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

233213112 is an abundant number, since it is smaller than the sum of its proper divisors (455827968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233213112 is a wasteful number, since it uses less digits than its factorization.

233213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294484 (or 294477 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 233213112 is about 15271.3166426474. The cubic root of 233213112 is about 615.5324993404.

Adding to 233213112 its reverse (211312332), we get a palindrome (444525444).

The spelling of 233213112 in words is "two hundred thirty-three million, two hundred thirteen thousand, one hundred twelve".