424423472243 has 4 divisors (see below), whose sum is σ = 426037249968. Its totient is φ = 422809694520.

The previous prime is 424423472237. The next prime is 424423472257. The reversal of 424423472243 is 342274324424.

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 424423472243 - 2³² = 420128504947 is a prime.

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 424423472243.

It is not an unprimeable number, because it can be changed into a prime (424423472233) 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, 806888468 + ... + 806888993.

It is an arithmetic number, because the mean of its divisors is an integer number (106509312492).

Almost surely, 2^424423472243 is an apocalyptic number.

424423472243 is a deficient number, since it is larger than the sum of its proper divisors (1613777725).

424423472243 is a wasteful number, since it uses less digits than its factorization.

424423472243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613777724.

The product of its digits is 1032192, while the sum is 41.

Adding to 424423472243 its reverse (342274324424), we get a palindrome (766697796667).

The spelling of 424423472243 in words is "four hundred twenty-four billion, four hundred twenty-three million, four hundred seventy-two thousand, two hundred forty-three".