23427824 has 40 divisors (see below), whose sum is σ = 53672160. Its totient is φ = 9692928.

The previous prime is 23427821. The next prime is 23427857. The reversal of 23427824 is 42872432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23427821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (1341804).

Almost surely, 2^23427824 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 23427824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26836080).

23427824 is an abundant number, since it is smaller than the sum of its proper divisors (30244336).

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

23427824 is a wasteful number, since it uses less digits than its factorization.

23427824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257 (or 7251 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 23427824 is about 4840.2297466133. The cubic root of 23427824 is about 286.1391729775.

The spelling of 23427824 in words is "twenty-three million, four hundred twenty-seven thousand, eight hundred twenty-four".