423476161818 has 32 divisors (see below), whose sum is σ = 854900502720. Its totient is φ = 139834563840.

The previous prime is 423476161813. The next prime is 423476161861. The reversal of 423476161818 is 818161674324.

It is not an unprimeable number, because it can be changed into a prime (423476161811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3196578 + ... + 3326418.

It is an arithmetic number, because the mean of its divisors is an integer number (26715640710).

Almost surely, 2^423476161818 is an apocalyptic number.

423476161818 is an abundant number, since it is smaller than the sum of its proper divisors (431424340902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423476161818 is a wasteful number, since it uses less digits than its factorization.

423476161818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134942.

The product of its digits is 1548288, while the sum is 51.

The spelling of 423476161818 in words is "four hundred twenty-three billion, four hundred seventy-six million, one hundred sixty-one thousand, eight hundred eighteen".