233430643788 has 24 divisors (see below), whose sum is σ = 544783046640. Its totient is φ = 77794279680.

The previous prime is 233430643769. The next prime is 233430643799. The reversal of 233430643788 is 887346034332.

233430643788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 233430643788.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930753 + ... + 2048088.

It is an arithmetic number, because the mean of its divisors is an integer number (22699293610).

Almost surely, 2^233430643788 is an apocalyptic number.

It is an amenable number.

233430643788 is an abundant number, since it is smaller than the sum of its proper divisors (311352402852).

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

233430643788 is a wasteful number, since it uses less digits than its factorization.

233430643788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983737 (or 3983735 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 51.

The spelling of 233430643788 in words is "two hundred thirty-three billion, four hundred thirty million, six hundred forty-three thousand, seven hundred eighty-eight".