23184240 has 40 divisors (see below), whose sum is σ = 71871888. Its totient is φ = 6182400.

The previous prime is 23184197. The next prime is 23184241. The reversal of 23184240 is 4248132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23184240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23184241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48061 + ... + 48540.

Almost surely, 2^23184240 is an apocalyptic number.

23184240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23184240 is an abundant number, since it is smaller than the sum of its proper divisors (48687648).

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

23184240 is a wasteful number, since it uses less digits than its factorization.

23184240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96617 (or 96611 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 23184240 is about 4815.0015576321. The cubic root of 23184240 is about 285.1440330751.

The spelling of 23184240 in words is "twenty-three million, one hundred eighty-four thousand, two hundred forty".