23621332 has 36 divisors (see below), whose sum is σ = 50625120. Its totient is φ = 9589104.

The previous prime is 23621329. The next prime is 23621333. The reversal of 23621332 is 23312632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23621333) 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 11 ways as a sum of consecutive naturals, for example, 553 + ... + 6895.

Almost surely, 2^23621332 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 23621332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25312560).

23621332 is an abundant number, since it is smaller than the sum of its proper divisors (27003788).

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

23621332 is a wasteful number, since it uses less digits than its factorization.

23621332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380 (or 6371 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 23621332 is about 4860.1781860339. The cubic root of 23621332 is about 286.9248266333.

Adding to 23621332 its reverse (23312632), we get a palindrome (46933964).

The spelling of 23621332 in words is "twenty-three million, six hundred twenty-one thousand, three hundred thirty-two".