423822879161 has 16 divisors (see below), whose sum is σ = 473166228480. Its totient is φ = 376284197520.

The previous prime is 423822879127. The next prime is 423822879173. The reversal of 423822879161 is 161978228324.

It is not a de Polignac number, because 423822879161 - 2¹⁰ = 423822878137 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (423821879161) 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, 3854180 + ... + 3962618.

It is an arithmetic number, because the mean of its divisors is an integer number (29572889280).

Almost surely, 2^423822879161 is an apocalyptic number.

It is an amenable number.

423822879161 is a deficient number, since it is larger than the sum of its proper divisors (49343349319).

423822879161 is a wasteful number, since it uses less digits than its factorization.

423822879161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116756.

The product of its digits is 2322432, while the sum is 53.

The spelling of 423822879161 in words is "four hundred twenty-three billion, eight hundred twenty-two million, eight hundred seventy-nine thousand, one hundred sixty-one".