423643029836 has 24 divisors (see below), whose sum is σ = 801585089424. Its totient is φ = 194748552000.

The previous prime is 423643029833. The next prime is 423643029847. The reversal of 423643029836 is 638920346324.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (423643029833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16215995 + ... + 16242098.

It is an arithmetic number, because the mean of its divisors is an integer number (33399378726).

Almost surely, 2^423643029836 is an apocalyptic number.

It is an amenable number.

423643029836 is a deficient number, since it is larger than the sum of its proper divisors (377942059588).

423643029836 is a wasteful number, since it uses less digits than its factorization.

423643029836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32458361 (or 32458359 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 423643029836 in words is "four hundred twenty-three billion, six hundred forty-three million, twenty-nine thousand, eight hundred thirty-six".