423746216 has 16 divisors (see below), whose sum is σ = 841261140. Its totient is φ = 199409920.

The previous prime is 423746171. The next prime is 423746251. The reversal of 423746216 is 612647324.

It can be written as a sum of positive squares in 2 ways, for example, as 362750116 + 60996100 = 19046^2 + 7810^2 .

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, 1557755 + ... + 1558026.

Almost surely, 2^423746216 is an apocalyptic number.

It is an amenable number.

423746216 is a deficient number, since it is larger than the sum of its proper divisors (417514924).

423746216 is a wasteful number, since it uses less digits than its factorization.

423746216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115804 (or 3115800 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 423746216 is about 20585.0969392908. The cubic root of 423746216 is about 751.1072333155.

The spelling of 423746216 in words is "four hundred twenty-three million, seven hundred forty-six thousand, two hundred sixteen".