423487064256 has 56 divisors (see below), whose sum is σ = 1120719875904. Its totient is φ = 141131654400.

The previous prime is 423487064249. The next prime is 423487064323. The reversal of 423487064256 is 652460784324.

It is a junction number, because it is equal to n+sod(n) for n = 423487064199 and 423487064208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653931 + ... + 1128981.

Almost surely, 2^423487064256 is an apocalyptic number.

It is an amenable number.

423487064256 is an abundant number, since it is smaller than the sum of its proper divisors (697232811648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423487064256 is a wasteful number, since it uses less digits than its factorization.

423487064256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479709 (or 479699 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 51.

The spelling of 423487064256 in words is "four hundred twenty-three billion, four hundred eighty-seven million, sixty-four thousand, two hundred fifty-six".