423881776 has 20 divisors (see below), whose sum is σ = 821947144. Its totient is φ = 211766400.

The previous prime is 423881753. The next prime is 423881807. The reversal of 423881776 is 677188324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10396 + ... + 30916.

Almost surely, 2^423881776 is an apocalyptic number.

It is an amenable number.

423881776 is a deficient number, since it is larger than the sum of its proper divisors (398065368).

423881776 is a wasteful number, since it uses less digits than its factorization.

423881776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820 (or 21814 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 423881776 is about 20588.3893493396. The cubic root of 423881776 is about 751.1873199625.

The spelling of 423881776 in words is "four hundred twenty-three million, eight hundred eighty-one thousand, seven hundred seventy-six".