23230224 has 60 divisors (see below), whose sum is σ = 65339196. Its totient is φ = 7704576.

The previous prime is 23230219. The next prime is 23230237. The reversal of 23230224 is 42203232.

It can be written as a sum of positive squares in 2 ways, for example, as 15210000 + 8020224 = 3900^2 + 2832^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23230197 and 23230206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50604 + ... + 51060.

Almost surely, 2^23230224 is an apocalyptic number.

23230224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23230224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32669598).

23230224 is an abundant number, since it is smaller than the sum of its proper divisors (42108972).

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

23230224 is a wasteful number, since it uses less digits than its factorization.

23230224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23230224 is about 4819.7742685732. The cubic root of 23230224 is about 285.3324283509.

Adding to 23230224 its reverse (42203232), we get a palindrome (65433456).

The spelling of 23230224 in words is "twenty-three million, two hundred thirty thousand, two hundred twenty-four".