23553424 has 20 divisors (see below), whose sum is σ = 45751536. Its totient is φ = 11746592.

The previous prime is 23553419. The next prime is 23553427. The reversal of 23553424 is 42435532.

It is a junction number, because it is equal to n+sod(n) for n = 23553392 and 23553401.

It is not an unprimeable number, because it can be changed into a prime (23553427) 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, 5427 + ... + 8749.

Almost surely, 2^23553424 is an apocalyptic number.

It is an amenable number.

23553424 is a deficient number, since it is larger than the sum of its proper divisors (22198112).

23553424 is a wasteful number, since it uses less digits than its factorization.

23553424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774 (or 3768 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 23553424 is about 4853.1869941308. The cubic root of 23553424 is about 286.6496065804.

Adding to 23553424 its reverse (42435532), we get a palindrome (65988956).

The spelling of 23553424 in words is "twenty-three million, five hundred fifty-three thousand, four hundred twenty-four".