233438545356 has 192 divisors, whose sum is σ = 587708835840. Its totient is φ = 71953530880.

The previous prime is 233438545321. The next prime is 233438545357. The reversal of 233438545356 is 653545834332.

233438545356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 233438545299 and 233438545308.

It is not an unprimeable number, because it can be changed into a prime (233438545357) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 238933540 + ... + 238934516.

It is an arithmetic number, because the mean of its divisors is an integer number (3060983520).

Almost surely, 2^233438545356 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 233438545356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293854417920).

233438545356 is an abundant number, since it is smaller than the sum of its proper divisors (354270290484).

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

233438545356 is a wasteful number, since it uses less digits than its factorization.

233438545356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1302 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 51.

The spelling of 233438545356 in words is "two hundred thirty-three billion, four hundred thirty-eight million, five hundred forty-five thousand, three hundred fifty-six".