233171328 has 96 divisors (see below), whose sum is σ = 670856040. Its totient is φ = 71725056.

The previous prime is 233171321. The next prime is 233171353. The reversal of 233171328 is 823171332.

233171328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 233171295 and 233171304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233171321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63100 + ... + 66692.

Almost surely, 2^233171328 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 233171328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335428020).

233171328 is an abundant number, since it is smaller than the sum of its proper divisors (437684712).

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

233171328 is a wasteful number, since it uses less digits than its factorization.

233171328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636 (or 3611 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 233171328 is about 15269.9485264358. The cubic root of 233171328 is about 615.4957361900.

The spelling of 233171328 in words is "two hundred thirty-three million, one hundred seventy-one thousand, three hundred twenty-eight".