424134321243 has 4 divisors (see below), whose sum is σ = 565512428328. Its totient is φ = 282756214160.

The previous prime is 424134321211. The next prime is 424134321271. The reversal of 424134321243 is 342123431424.

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

It is a cyclic number.

It is not a de Polignac number, because 424134321243 - 2⁵ = 424134321211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424134321343) 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, 70689053538 + ... + 70689053543.

It is an arithmetic number, because the mean of its divisors is an integer number (141378107082).

Almost surely, 2^424134321243 is an apocalyptic number.

424134321243 is a deficient number, since it is larger than the sum of its proper divisors (141378107085).

424134321243 is a wasteful number, since it uses less digits than its factorization.

424134321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141378107084.

The product of its digits is 55296, while the sum is 33.

Adding to 424134321243 its reverse (342123431424), we get a palindrome (766257752667).

The spelling of 424134321243 in words is "four hundred twenty-four billion, one hundred thirty-four million, three hundred twenty-one thousand, two hundred forty-three".