424243331143 has 4 divisors (see below), whose sum is σ = 426464500608. Its totient is φ = 422022161680.

The previous prime is 424243331137. The next prime is 424243331209. The reversal of 424243331143 is 341133342424.

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 424243331143 - 2²⁹ = 423706460231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424243331099 and 424243331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424243335143) 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, 1110584446 + ... + 1110584827.

It is an arithmetic number, because the mean of its divisors is an integer number (106616125152).

Almost surely, 2^424243331143 is an apocalyptic number.

424243331143 is a deficient number, since it is larger than the sum of its proper divisors (2221169465).

424243331143 is a wasteful number, since it uses less digits than its factorization.

424243331143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221169464.

The product of its digits is 82944, while the sum is 34.

Adding to 424243331143 its reverse (341133342424), we get a palindrome (765376673567).

The spelling of 424243331143 in words is "four hundred twenty-four billion, two hundred forty-three million, three hundred thirty-one thousand, one hundred forty-three".