423133044426163 has 4 divisors (see below), whose sum is σ = 428929387500568. Its totient is φ = 417336701351760.

The previous prime is 423133044426143. The next prime is 423133044426187. The reversal of 423133044426163 is 361624440331324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423133044426163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423133044426143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2898171537093 + ... + 2898171537238.

It is an arithmetic number, because the mean of its divisors is an integer number (107232346875142).

Almost surely, 2^{423133044426163} is an apocalyptic number.

423133044426163 is a deficient number, since it is larger than the sum of its proper divisors (5796343074405).

423133044426163 is an equidigital number, since it uses as much as digits as its factorization.

423133044426163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5796343074404.

The product of its (nonzero) digits is 2985984, while the sum is 46.

Adding to 423133044426163 its reverse (361624440331324), we get a palindrome (784757484757487).

The spelling of 423133044426163 in words is "four hundred twenty-three trillion, one hundred thirty-three billion, forty-four million, four hundred twenty-six thousand, one hundred sixty-three".