424331240243 has 4 divisors (see below), whose sum is σ = 424553754600. Its totient is φ = 424108725888.

The previous prime is 424331240239. The next prime is 424331240261. The reversal of 424331240243 is 342042133424.

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 424331240243 - 2² = 424331240239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424331246243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111254318 + ... + 111258131.

It is an arithmetic number, because the mean of its divisors is an integer number (106138438650).

Almost surely, 2^424331240243 is an apocalyptic number.

424331240243 is a deficient number, since it is larger than the sum of its proper divisors (222514357).

424331240243 is a wasteful number, since it uses less digits than its factorization.

424331240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222514356.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 424331240243 its reverse (342042133424), we get a palindrome (766373373667).

The spelling of 424331240243 in words is "four hundred twenty-four billion, three hundred thirty-one million, two hundred forty thousand, two hundred forty-three".