23443212 has 48 divisors (see below), whose sum is σ = 59521280. Its totient is φ = 7138368.

The previous prime is 23443201. The next prime is 23443219. The reversal of 23443212 is 21234432.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15339 + ... + 16797.

Almost surely, 2^23443212 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 23443212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29760640).

23443212 is an abundant number, since it is smaller than the sum of its proper divisors (36078068).

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

23443212 is a wasteful number, since it uses less digits than its factorization.

23443212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1580 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 23443212 is about 4841.8190796435. The cubic root of 23443212 is about 286.2018071331.

Adding to 23443212 its reverse (21234432), we get a palindrome (44677644).

The spelling of 23443212 in words is "twenty-three million, four hundred forty-three thousand, two hundred twelve".