233445432 has 64 divisors (see below), whose sum is σ = 653904000. Its totient is φ = 68826240.

The previous prime is 233445413. The next prime is 233445437. The reversal of 233445432 is 234544332.

233445432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 233445432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233445437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182 + ... + 21717.

It is an arithmetic number, because the mean of its divisors is an integer number (10217250).

Almost surely, 2^233445432 is an apocalyptic number.

233445432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233445432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326952000).

233445432 is an abundant number, since it is smaller than the sum of its proper divisors (420458568).

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

233445432 is a wasteful number, since it uses less digits than its factorization.

233445432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23956 (or 23952 counting only the distinct ones).

The product of its digits is 34560, while the sum is 30.

The square root of 233445432 is about 15278.9211661033. The cubic root of 233445432 is about 615.7368232611.

Adding to 233445432 its reverse (234544332), we get a palindrome (467989764).

The spelling of 233445432 in words is "two hundred thirty-three million, four hundred forty-five thousand, four hundred thirty-two".