424856658423 has 4 divisors (see below), whose sum is σ = 566475544568. Its totient is φ = 283237772280.

The previous prime is 424856658403. The next prime is 424856658427. The reversal of 424856658423 is 324856658424.

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

It is not a de Polignac number, because 424856658423 - 2²² = 424852464119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424856658427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70809443068 + ... + 70809443073.

It is an arithmetic number, because the mean of its divisors is an integer number (141618886142).

Almost surely, 2^424856658423 is an apocalyptic number.

424856658423 is a deficient number, since it is larger than the sum of its proper divisors (141618886145).

424856658423 is a wasteful number, since it uses less digits than its factorization.

424856658423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141618886144.

The product of its digits is 44236800, while the sum is 57.

Subtracting from 424856658423 its reverse (324856658424), we obtain a palindrome (99999999999).

The spelling of 424856658423 in words is "four hundred twenty-four billion, eight hundred fifty-six million, six hundred fifty-eight thousand, four hundred twenty-three".