23113216 has 40 divisors (see below), whose sum is σ = 52786800. Its totient is φ = 9904128.

The previous prime is 23113201. The next prime is 23113219. The reversal of 23113216 is 61231132.

It is a junction number, because it is equal to n+sod(n) for n = 23113193 and 23113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113219) 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, 360 + ... + 6808.

It is an arithmetic number, because the mean of its divisors is an integer number (1319670).

Almost surely, 2^23113216 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 23113216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26393400).

23113216 is an abundant number, since it is smaller than the sum of its proper divisors (29673584).

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

23113216 is an frugal number, since it uses more digits than its factorization.

23113216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 6458 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 23113216 is about 4807.6206173116. The cubic root of 23113216 is about 284.8525594197.

Adding to 23113216 its reverse (61231132), we get a palindrome (84344348).

The spelling of 23113216 in words is "twenty-three million, one hundred thirteen thousand, two hundred sixteen".