233333216838 has 40 divisors (see below), whose sum is σ = 522933531120. Its totient is φ = 77763713040.

The previous prime is 233333216821. The next prime is 233333216843. The reversal of 233333216838 is 838612333332.

233333216838 is a `hidden beast` number, since 23 + 3 + 333 + 216 + 83 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 233333216793 and 233333216802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 791343 + ... + 1045413.

It is an arithmetic number, because the mean of its divisors is an integer number (13073338278).

Almost surely, 2^233333216838 is an apocalyptic number.

233333216838 is an abundant number, since it is smaller than the sum of its proper divisors (289600314282).

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

233333216838 is a wasteful number, since it uses less digits than its factorization.

233333216838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259754 (or 259745 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 45.

The spelling of 233333216838 in words is "two hundred thirty-three billion, three hundred thirty-three million, two hundred sixteen thousand, eight hundred thirty-eight".