233243430 has 128 divisors (see below), whose sum is σ = 687744000. Its totient is φ = 50464512.

The previous prime is 233243419. The next prime is 233243431. The reversal of 233243430 is 34342332.

233243430 is digitally balanced in base 2, 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 233243430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233243431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194914 + ... + 196106.

It is an arithmetic number, because the mean of its divisors is an integer number (5373000).

Almost surely, 2^233243430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233243430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343872000).

233243430 is an abundant number, since it is smaller than the sum of its proper divisors (454500570).

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

233243430 is a wasteful number, since it uses less digits than its factorization.

233243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 233243430 is about 15272.3092556430. The cubic root of 233243430 is about 615.5591715195.

Adding to 233243430 its reverse (34342332), we get a palindrome (267585762).

The spelling of 233243430 in words is "two hundred thirty-three million, two hundred forty-three thousand, four hundred thirty".