23443424 has 24 divisors (see below), whose sum is σ = 46299960. Its totient is φ = 11684736.

The previous prime is 23443421. The next prime is 23443429. The reversal of 23443424 is 42434432.

It is a junction number, because it is equal to n+sod(n) for n = 23443393 and 23443402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11162 + ... + 13094.

It is an arithmetic number, because the mean of its divisors is an integer number (1929165).

Almost surely, 2^23443424 is an apocalyptic number.

It is an amenable number.

23443424 is a deficient number, since it is larger than the sum of its proper divisors (22856536).

23443424 is a wasteful number, since it uses less digits than its factorization.

23443424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322 (or 2314 counting only the distinct ones).

The product of its digits is 9216, while the sum is 26.

The square root of 23443424 is about 4841.8409721923. The cubic root of 23443424 is about 286.2026698505.

Adding to 23443424 its reverse (42434432), we get a palindrome (65877856).

The spelling of 23443424 in words is "twenty-three million, four hundred forty-three thousand, four hundred twenty-four".