23535424 has 56 divisors (see below), whose sum is σ = 51608736. Its totient is φ = 10560000.

The previous prime is 23535383. The next prime is 23535431. The reversal of 23535424 is 42453532.

It is a junction number, because it is equal to n+sod(n) for n = 23535392 and 23535401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70939 + ... + 71269.

Almost surely, 2^23535424 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 23535424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25804368).

23535424 is an abundant number, since it is smaller than the sum of its proper divisors (28073312).

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

23535424 is a wasteful number, since it uses less digits than its factorization.

23535424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 445 counting only the distinct ones).

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

The square root of 23535424 is about 4851.3321881726. The cubic root of 23535424 is about 286.5765668410.

Adding to 23535424 its reverse (42453532), we get a palindrome (65988956).

It can be divided in two parts, 2353 and 5424, that added together give a palindrome (7777).

The spelling of 23535424 in words is "twenty-three million, five hundred thirty-five thousand, four hundred twenty-four".