234312216 has 16 divisors (see below), whose sum is σ = 585780600. Its totient is φ = 78104064.

The previous prime is 234312209. The next prime is 234312217. The reversal of 234312216 is 612213432.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9763009 = 234312216 / (2 + 3 + 4 + 3 + 1 + 2 + 2 + 1 + 6).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234312217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4881481 + ... + 4881528.

Almost surely, 2^234312216 is an apocalyptic number.

It is an amenable number.

234312216 is an abundant number, since it is smaller than the sum of its proper divisors (351468384).

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

234312216 is a wasteful number, since it uses less digits than its factorization.

234312216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9763018 (or 9763014 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 234312216 is about 15307.2602382007. The cubic root of 234312216 is about 616.4979599206.

Adding to 234312216 its reverse (612213432), we get a palindrome (846525648).

The spelling of 234312216 in words is "two hundred thirty-four million, three hundred twelve thousand, two hundred sixteen".