232181568 has 84 divisors (see below), whose sum is σ = 687027328. Its totient is φ = 74891520.

The previous prime is 232181567. The next prime is 232181581. The reversal of 232181568 is 865181232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232181561) 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, 11355 + ... + 24357.

Almost surely, 2^232181568 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 232181568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343513664).

232181568 is an abundant number, since it is smaller than the sum of its proper divisors (454845760).

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

232181568 is a wasteful number, since it uses less digits than its factorization.

232181568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052 (or 13039 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 232181568 is about 15237.5053076283. The cubic root of 232181568 is about 614.6236205856.

The spelling of 232181568 in words is "two hundred thirty-two million, one hundred eighty-one thousand, five hundred sixty-eight".