23304424 has 48 divisors (see below), whose sum is σ = 51649920. Its totient is φ = 9771840.

The previous prime is 23304389. The next prime is 23304439. The reversal of 23304424 is 42440332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23304395 and 23304404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14089 + ... + 15655.

It is an arithmetic number, because the mean of its divisors is an integer number (1076040).

Almost surely, 2^23304424 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 23304424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25824960).

23304424 is an abundant number, since it is smaller than the sum of its proper divisors (28345496).

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

23304424 is a wasteful number, since it uses less digits than its factorization.

23304424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 23304424 is about 4827.4655876557. The cubic root of 23304424 is about 285.6359003065.

Adding to 23304424 its reverse (42440332), we get a palindrome (65744756).

The spelling of 23304424 in words is "twenty-three million, three hundred four thousand, four hundred twenty-four".