423243334413122 has 4 divisors (see below), whose sum is σ = 634865001619686. Its totient is φ = 211621667206560.

The previous prime is 423243334413121. The next prime is 423243334413143. The reversal of 423243334413122 is 221314433342324.

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

It can be written as a sum of positive squares in only one way, i.e., 410815375753561 + 12427958659561 = 20268581^2 + 3525331^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423243334413122.

It is not an unprimeable number, because it can be changed into a prime (423243334413121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105810833603279 + ... + 105810833603282.

Almost surely, 2^{423243334413122} is an apocalyptic number.

423243334413122 is a deficient number, since it is larger than the sum of its proper divisors (211621667206564).

423243334413122 is a wasteful number, since it uses less digits than its factorization.

423243334413122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211621667206563.

The product of its digits is 995328, while the sum is 41.

Adding to 423243334413122 its reverse (221314433342324), we get a palindrome (644557767755446).

The spelling of 423243334413122 in words is "four hundred twenty-three trillion, two hundred forty-three billion, three hundred thirty-four million, four hundred thirteen thousand, one hundred twenty-two".