23240224 has 72 divisors (see below), whose sum is σ = 55702080. Its totient is φ = 9348096.

The previous prime is 23240213. The next prime is 23240227. The reversal of 23240224 is 42204232.

It is not an unprimeable number, because it can be changed into a prime (23240227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64557 + ... + 64915.

It is an arithmetic number, because the mean of its divisors is an integer number (773640).

Almost surely, 2^23240224 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 23240224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27851040).

23240224 is an abundant number, since it is smaller than the sum of its proper divisors (32461856).

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

23240224 is a wasteful number, since it uses less digits than its factorization.

23240224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23240224 is about 4820.8115499364. The cubic root of 23240224 is about 285.3733651775.

Adding to 23240224 its reverse (42204232), we get a palindrome (65444456).

The spelling of 23240224 in words is "twenty-three million, two hundred forty thousand, two hundred twenty-four".