423320241321 has 12 divisors (see below), whose sum is σ = 611512007860. Its totient is φ = 282190677120.

The previous prime is 423320241313. The next prime is 423320241347. The reversal of 423320241321 is 123142023324.

423320241321 is a `hidden beast` number, since 4 + 2 + 332 + 0 + 2 + 4 + 1 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27602499600 + 395717741721 = 166140^2 + 629061^2 .

It is not a de Polignac number, because 423320241321 - 2³ = 423320241313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423320241121) 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 in 11 ways as a sum of consecutive naturals, for example, 1783540 + ... + 2006901.

Almost surely, 2^423320241321 is an apocalyptic number.

It is an amenable number.

423320241321 is a deficient number, since it is larger than the sum of its proper divisors (188191766539).

423320241321 is a wasteful number, since it uses less digits than its factorization.

423320241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802856 (or 3802853 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 423320241321 its reverse (123142023324), we get a palindrome (546462264645).

The spelling of 423320241321 in words is "four hundred twenty-three billion, three hundred twenty million, two hundred forty-one thousand, three hundred twenty-one".