423195812 has 24 divisors (see below), whose sum is σ = 798381696. Its totient is φ = 195120288.

The previous prime is 423195793. The next prime is 423195827. The reversal of 423195812 is 218591324.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54773 + ... + 62019.

It is an arithmetic number, because the mean of its divisors is an integer number (33265904).

Almost surely, 2^423195812 is an apocalyptic number.

It is an amenable number.

423195812 is a deficient number, since it is larger than the sum of its proper divisors (375185884).

423195812 is a wasteful number, since it uses less digits than its factorization.

423195812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387 (or 8385 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 423195812 is about 20571.7236030431. The cubic root of 423195812 is about 750.7818879924.

The spelling of 423195812 in words is "four hundred twenty-three million, one hundred ninety-five thousand, eight hundred twelve".