23744480 has 24 divisors (see below), whose sum is σ = 56096712. Its totient is φ = 9497728.

The previous prime is 23744473. The next prime is 23744489. The reversal of 23744480 is 8444732.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23744489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74042 + ... + 74361.

It is an arithmetic number, because the mean of its divisors is an integer number (2337363).

Almost surely, 2^23744480 is an apocalyptic number.

23744480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23744480 is an abundant number, since it is smaller than the sum of its proper divisors (32352232).

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

23744480 is a wasteful number, since it uses less digits than its factorization.

23744480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148418 (or 148410 counting only the distinct ones).

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

The square root of 23744480 is about 4872.8307994430. The cubic root of 23744480 is about 287.4225828099.

The spelling of 23744480 in words is "twenty-three million, seven hundred forty-four thousand, four hundred eighty".