423865744 has 15 divisors (see below), whose sum is σ = 821399467. Its totient is φ = 211891696.

The previous prime is 423865727. The next prime is 423865789. The reversal of 423865744 is 447568324.

The square root of 423865744 is 20588.

It is a perfect power (a square), and thus also a powerful number.

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 423865744.

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 2 ways as a sum of consecutive naturals, for example, 79779 + ... + 84925.

Almost surely, 2^423865744 is an apocalyptic number.

423865744 is the 20588-th square number.

It is an amenable number.

423865744 is a deficient number, since it is larger than the sum of its proper divisors (397533723).

423865744 is an frugal number, since it uses more digits than its factorization.

423865744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10302 (or 5149 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The cubic root of 423865744 is about 751.1778494075.

The spelling of 423865744 in words is "four hundred twenty-three million, eight hundred sixty-five thousand, seven hundred forty-four".