233680788 has 120 divisors (see below), whose sum is σ = 672043680. Its totient is φ = 70217280.

The previous prime is 233680787. The next prime is 233680817. The reversal of 233680788 is 887086332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233680781) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 616383 + ... + 616761.

It is an arithmetic number, because the mean of its divisors is an integer number (5600364).

Almost surely, 2^233680788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233680788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336021840).

233680788 is an abundant number, since it is smaller than the sum of its proper divisors (438362892).

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

233680788 is a wasteful number, since it uses less digits than its factorization.

233680788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 233680788 is about 15286.6212094105. The cubic root of 233680788 is about 615.9436791426.

The spelling of 233680788 in words is "two hundred thirty-three million, six hundred eighty thousand, seven hundred eighty-eight".