233039871828 has 96 divisors (see below), whose sum is σ = 636636672000. Its totient is φ = 73515120480.

The previous prime is 233039871793. The next prime is 233039871839. The reversal of 233039871828 is 828178930332.

233039871828 is a `hidden beast` number, since 233 + 0 + 398 + 7 + 18 + 2 + 8 = 666.

233039871828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×233039871828² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1934013 + ... + 2050971.

It is an arithmetic number, because the mean of its divisors is an integer number (6631632000).

Almost surely, 2^233039871828 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 233039871828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318318336000).

233039871828 is an abundant number, since it is smaller than the sum of its proper divisors (403596800172).

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

233039871828 is a wasteful number, since it uses less digits than its factorization.

233039871828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117962 (or 117954 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 233039871828 in words is "two hundred thirty-three billion, thirty-nine million, eight hundred seventy-one thousand, eight hundred twenty-eight".