23393216 has 112 divisors (see below), whose sum is σ = 59692032. Its totient is φ = 8832000.

The previous prime is 23393203. The next prime is 23393239. The reversal of 23393216 is 61239332.

It is a tau number, because it is divible by the number of its divisors (112).

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, 231566 + ... + 231666.

Almost surely, 2^23393216 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 23393216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29846016).

23393216 is an abundant number, since it is smaller than the sum of its proper divisors (36298816).

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

23393216 is a wasteful number, since it uses less digits than its factorization.

23393216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 168 counting only the distinct ones).

The product of its digits is 5832, while the sum is 29.

The square root of 23393216 is about 4836.6533884495. The cubic root of 23393216 is about 285.9982069100.

It can be divided in two parts, 2339 and 3216, that added together give a palindrome (5555).

The spelling of 23393216 in words is "twenty-three million, three hundred ninety-three thousand, two hundred sixteen".