423544039005 has 16 divisors (see below), whose sum is σ = 678368395584. Its totient is φ = 225657509760.

The previous prime is 423544038997. The next prime is 423544039019. The reversal of 423544039005 is 500930445324.

It is not a de Polignac number, because 423544039005 - 2³ = 423544038997 is a prime.

It is a super-2 number, since 2×423544039005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14525224 + ... + 14554353.

It is an arithmetic number, because the mean of its divisors is an integer number (42398024724).

Almost surely, 2^423544039005 is an apocalyptic number.

It is an amenable number.

423544039005 is a deficient number, since it is larger than the sum of its proper divisors (254824356579).

423544039005 is a wasteful number, since it uses less digits than its factorization.

423544039005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29080556.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 423544039005 in words is "four hundred twenty-three billion, five hundred forty-four million, thirty-nine thousand, five".