423195380018 has 8 divisors (see below), whose sum is σ = 634850358912. Its totient is φ = 211578593716.

The previous prime is 423195379991. The next prime is 423195380033. The reversal of 423195380018 is 810083591324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9520430 + ... + 9564777.

It is an arithmetic number, because the mean of its divisors is an integer number (79356294864).

Almost surely, 2^423195380018 is an apocalyptic number.

423195380018 is a deficient number, since it is larger than the sum of its proper divisors (211654978894).

423195380018 is a wasteful number, since it uses less digits than its factorization.

423195380018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19096296.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 423195380018 in words is "four hundred twenty-three billion, one hundred ninety-five million, three hundred eighty thousand, eighteen".