423505424 has 20 divisors (see below), whose sum is σ = 820860780. Its totient is φ = 211670400.

The previous prime is 423505399. The next prime is 423505447. The reversal of 423505424 is 424505324.

It can be written as a sum of positive squares in 2 ways, for example, as 118374400 + 305131024 = 10880^2 + 17468^2 .

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, 79022 + ... + 84210.

It is an arithmetic number, because the mean of its divisors is an integer number (41043039).

Almost surely, 2^423505424 is an apocalyptic number.

It is an amenable number.

423505424 is a deficient number, since it is larger than the sum of its proper divisors (397355356).

423505424 is a wasteful number, since it uses less digits than its factorization.

423505424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298 (or 10292 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 423505424 is about 20579.2474109235. The cubic root of 423505424 is about 750.9649351862.

It can be divided in two parts, 42350 and 5424, that added together give a palindrome (47774).

The spelling of 423505424 in words is "four hundred twenty-three million, five hundred five thousand, four hundred twenty-four".