40323105673 has 4 divisors (see below), whose sum is σ = 40403914000. Its totient is φ = 40242297348.

The previous prime is 40323105637. The next prime is 40323105701. The reversal of 40323105673 is 37650132304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40323105673 - 2¹³ = 40323097481 is a prime.

It is a super-2 number, since 2×40323105673² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40323205673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40403415 + ... + 40404412.

It is an arithmetic number, because the mean of its divisors is an integer number (10100978500).

Almost surely, 2^40323105673 is an apocalyptic number.

It is an amenable number.

40323105673 is a deficient number, since it is larger than the sum of its proper divisors (80808327).

40323105673 is an equidigital number, since it uses as much as digits as its factorization.

40323105673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80808326.

The product of its (nonzero) digits is 45360, while the sum is 34.

Adding to 40323105673 its reverse (37650132304), we get a palindrome (77973237977).

The spelling of 40323105673 in words is "forty billion, three hundred twenty-three million, one hundred five thousand, six hundred seventy-three".