233423430 has 64 divisors (see below), whose sum is σ = 595330560. Its totient is φ = 58371584.

The previous prime is 233423383. The next prime is 233423453. The reversal of 233423430 is 34324332.

233423430 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 233423430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176311 + ... + 177629.

It is an arithmetic number, because the mean of its divisors is an integer number (9302040).

Almost surely, 2^233423430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233423430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297665280).

233423430 is an abundant number, since it is smaller than the sum of its proper divisors (361907130).

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

233423430 is a wasteful number, since it uses less digits than its factorization.

233423430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693.

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

The square root of 233423430 is about 15278.2011375685. The cubic root of 233423430 is about 615.7174784587.

Adding to 233423430 its reverse (34324332), we get a palindrome (267747762).

The spelling of 233423430 in words is "two hundred thirty-three million, four hundred twenty-three thousand, four hundred thirty".