23430216 has 32 divisors (see below), whose sum is σ = 62022240. Its totient is φ = 7350528.

The previous prime is 23430191. The next prime is 23430221. The reversal of 23430216 is 61203432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23430192 and 23430201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28306 + ... + 29121.

It is an arithmetic number, because the mean of its divisors is an integer number (1938195).

Almost surely, 2^23430216 is an apocalyptic number.

It is an amenable number.

23430216 is an abundant number, since it is smaller than the sum of its proper divisors (38592024).

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

23430216 is a wasteful number, since it uses less digits than its factorization.

23430216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57453 (or 57449 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23430216 is about 4840.4768360152. The cubic root of 23430216 is about 286.1489109940.

Adding to 23430216 its reverse (61203432), we get a palindrome (84633648).

The spelling of 23430216 in words is "twenty-three million, four hundred thirty thousand, two hundred sixteen".