423854046538 has 16 divisors (see below), whose sum is σ = 714456320256. Its totient is φ = 187119511920.

The previous prime is 423854046523. The next prime is 423854046559. The reversal of 423854046538 is 835640458324.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 354392418 + ... + 354393613.

It is an arithmetic number, because the mean of its divisors is an integer number (44653520016).

Almost surely, 2^423854046538 is an apocalyptic number.

423854046538 is a deficient number, since it is larger than the sum of its proper divisors (290602273718).

423854046538 is a wasteful number, since it uses less digits than its factorization.

423854046538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708786069.

The product of its (nonzero) digits is 11059200, while the sum is 52.

The spelling of 423854046538 in words is "four hundred twenty-three billion, eight hundred fifty-four million, forty-six thousand, five hundred thirty-eight".