423342034123321 has 4 divisors (see below), whose sum is σ = 423345126673012. Its totient is φ = 423338941573632.

The previous prime is 423342034123301. The next prime is 423342034123339. The reversal of 423342034123321 is 123321430243324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 194846310717696 + 228495723405625 = 13958736^2 + 15116075^2 .

It is a cyclic number.

It is not a de Polignac number, because 423342034123321 - 2¹⁵ = 423342034090553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423342034123301) 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, 1546069500 + ... + 1546343293.

It is an arithmetic number, because the mean of its divisors is an integer number (105836281668253).

Almost surely, 2^{423342034123321} is an apocalyptic number.

It is an amenable number.

423342034123321 is a deficient number, since it is larger than the sum of its proper divisors (3092549691).

423342034123321 is a wasteful number, since it uses less digits than its factorization.

423342034123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092549690.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 423342034123321 its reverse (123321430243324), we get a palindrome (546663464366645).

The spelling of 423342034123321 in words is "four hundred twenty-three trillion, three hundred forty-two billion, thirty-four million, one hundred twenty-three thousand, three hundred twenty-one".