234423216 has 120 divisors (see below), whose sum is σ = 705669120. Its totient is φ = 72413568.

The previous prime is 234423191. The next prime is 234423227. The reversal of 234423216 is 612324432.

234423216 is a `hidden beast` number, since 2 + 3 + 442 + 3 + 216 = 666.

234423216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 234423216.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127681 + ... + 129503.

It is an arithmetic number, because the mean of its divisors is an integer number (5880576).

Almost surely, 2^234423216 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 234423216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352834560).

234423216 is an abundant number, since it is smaller than the sum of its proper divisors (471245904).

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

234423216 is a wasteful number, since it uses less digits than its factorization.

234423216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1894 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 234423216 is about 15310.8855393801. The cubic root of 234423216 is about 616.5952951082.

Adding to 234423216 its reverse (612324432), we get a palindrome (846747648).

The spelling of 234423216 in words is "two hundred thirty-four million, four hundred twenty-three thousand, two hundred sixteen".