23301216 has 96 divisors (see below), whose sum is σ = 68796000. Its totient is φ = 7672320.

The previous prime is 23301209. The next prime is 23301221. The reversal of 23301216 is 61210332.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 128646 + ... + 128826.

It is an arithmetic number, because the mean of its divisors is an integer number (716625).

Almost surely, 2^23301216 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 23301216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34398000).

23301216 is an abundant number, since it is smaller than the sum of its proper divisors (45494784).

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

23301216 is a wasteful number, since it uses less digits than its factorization.

23301216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23301216 is about 4827.1333107757. The cubic root of 23301216 is about 285.6227931812.

Adding to 23301216 its reverse (61210332), we get a palindrome (84511548).

The spelling of 23301216 in words is "twenty-three million, three hundred one thousand, two hundred sixteen".