234840320 has 144 divisors (see below), whose sum is σ = 661372992. Its totient is φ = 78766080.

The previous prime is 234840317. The next prime is 234840367. The reversal of 234840320 is 23048432.

234840320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 234840320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182399 + ... + 183681.

It is an arithmetic number, because the mean of its divisors is an integer number (4592868).

Almost surely, 2^234840320 is an apocalyptic number.

234840320 is a gapful number since it is divisible by the number (20) 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 234840320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330686496).

234840320 is an abundant number, since it is smaller than the sum of its proper divisors (426532672).

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

234840320 is a wasteful number, since it uses less digits than its factorization.

234840320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 234840320 is about 15324.5006443930. The cubic root of 234840320 is about 616.9607765152.

Adding to 234840320 its reverse (23048432), we get a palindrome (257888752).

The spelling of 234840320 in words is "two hundred thirty-four million, eight hundred forty thousand, three hundred twenty".