23584240 has 20 divisors (see below), whose sum is σ = 54833544. Its totient is φ = 9433664.

The previous prime is 23584229. The next prime is 23584277. The reversal of 23584240 is 4248532.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 23584199 and 23584208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147322 + ... + 147481.

Almost surely, 2^23584240 is an apocalyptic number.

23584240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23584240 is an abundant number, since it is smaller than the sum of its proper divisors (31249304).

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

23584240 is a wasteful number, since it uses less digits than its factorization.

23584240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294816 (or 294810 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 23584240 is about 4856.3607773723. The cubic root of 23584240 is about 286.7745642752.

The spelling of 23584240 in words is "twenty-three million, five hundred eighty-four thousand, two hundred forty".