233356640 has 48 divisors (see below), whose sum is σ = 601428240. Its totient is φ = 84856320.

The previous prime is 233356619. The next prime is 233356667. The reversal of 233356640 is 46653332.

233356640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 233356597 and 233356606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64535 + ... + 68054.

It is an arithmetic number, because the mean of its divisors is an integer number (12529755).

Almost surely, 2^233356640 is an apocalyptic number.

233356640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233356640 is an abundant number, since it is smaller than the sum of its proper divisors (368071600).

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

233356640 is a wasteful number, since it uses less digits than its factorization.

233356640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132615 (or 132607 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 233356640 is about 15276.0151872142. The cubic root of 233356640 is about 615.6587472890.

The spelling of 233356640 in words is "two hundred thirty-three million, three hundred fifty-six thousand, six hundred forty".