423898814109 has 16 divisors (see below), whose sum is σ = 568518059520. Its totient is φ = 280942413360.

The previous prime is 423898814077. The next prime is 423898814173. The reversal of 423898814109 is 901418898324.

It is not a de Polignac number, because 423898814109 - 2⁵ = 423898814077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423898814189) 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, 183982 + ... + 938960.

It is an arithmetic number, because the mean of its divisors is an integer number (35532378720).

Almost surely, 2^423898814109 is an apocalyptic number.

It is an amenable number.

423898814109 is a deficient number, since it is larger than the sum of its proper divisors (144619245411).

423898814109 is a wasteful number, since it uses less digits than its factorization.

423898814109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756080.

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 423898814109 in words is "four hundred twenty-three billion, eight hundred ninety-eight million, eight hundred fourteen thousand, one hundred nine".