24394000243 has 2 divisors, whose sum is σ = 24394000244. Its totient is φ = 24394000242.

The previous prime is 24394000217. The next prime is 24394000313. The reversal of 24394000243 is 34200049342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24394000243 is a prime.

It is not a weakly prime, because it can be changed into another prime (24394001243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12197000121 + 12197000122.

It is an arithmetic number, because the mean of its divisors is an integer number (12197000122).

Almost surely, 2^24394000243 is an apocalyptic number.

24394000243 is a deficient number, since it is larger than the sum of its proper divisors (1).

24394000243 is an equidigital number, since it uses as much as digits as its factorization.

24394000243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 24394000243 its reverse (34200049342), we get a palindrome (58594049585).

The spelling of 24394000243 in words is "twenty-four billion, three hundred ninety-four million, two hundred forty-three", and thus it is an aban number.