23308416 has 48 divisors (see below), whose sum is σ = 67075710. Its totient is φ = 7769088.

The previous prime is 23308403. The next prime is 23308423. The reversal of 23308416 is 61480332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19713600 + 3594816 = 4440^2 + 1896^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 23308416.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8965 + ... + 11268.

Almost surely, 2^23308416 is an apocalyptic number.

It is an amenable number.

23308416 is an abundant number, since it is smaller than the sum of its proper divisors (43767294).

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

23308416 is a wasteful number, since it uses less digits than its factorization.

23308416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20253 (or 20238 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23308416 is about 4827.8790374242. The cubic root of 23308416 is about 285.6522089898.

Adding to 23308416 its reverse (61480332), we get a palindrome (84788748).

The spelling of 23308416 in words is "twenty-three million, three hundred eight thousand, four hundred sixteen".