24340243 has 4 divisors (see below), whose sum is σ = 25772040. Its totient is φ = 22908448.

The previous prime is 24340231. The next prime is 24340249. The reversal of 24340243 is 34204342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24340243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24340249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715873 + ... + 715906.

It is an arithmetic number, because the mean of its divisors is an integer number (6443010).

Almost surely, 2^24340243 is an apocalyptic number.

24340243 is a deficient number, since it is larger than the sum of its proper divisors (1431797).

24340243 is a wasteful number, since it uses less digits than its factorization.

24340243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431796.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 24340243 is about 4933.5831806102. The cubic root of 24340243 is about 289.8066209798.

Adding to 24340243 its reverse (34204342), we get a palindrome (58544585).

The spelling of 24340243 in words is "twenty-four million, three hundred forty thousand, two hundred forty-three".