8423434343249 has 8 divisors (see below), whose sum is σ = 8479911650880. Its totient is φ = 8366966154000.

The previous prime is 8423434343237. The next prime is 8423434343381. The reversal of 8423434343249 is 9423434343248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8423434343249 - 2²⁴ = 8423417566033 is a prime.

It is a super-2 number, since 2×8423434343249² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8423434343249.

It is not an unprimeable number, because it can be changed into a prime (8423434343449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420767 + ... + 4126004.

It is an arithmetic number, because the mean of its divisors is an integer number (1059988956360).

Almost surely, 2^{8423434343249} is an apocalyptic number.

It is an amenable number.

8423434343249 is a deficient number, since it is larger than the sum of its proper divisors (56477307631).

8423434343249 is a wasteful number, since it uses less digits than its factorization.

8423434343249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559191.

The product of its digits is 23887872, while the sum is 53.

Subtracting 8423434343249 from its reverse (9423434343248), we obtain a palindrome (999999999999).

The spelling of 8423434343249 in words is "eight trillion, four hundred twenty-three billion, four hundred thirty-four million, three hundred forty-three thousand, two hundred forty-nine".