40013022323 has 4 divisors (see below), whose sum is σ = 40013616240. Its totient is φ = 40012428408.

The previous prime is 40013022311. The next prime is 40013022331. The reversal of 40013022323 is 32322031004.

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

It is a cyclic number.

It is not a de Polignac number, because 40013022323 - 2⁴ = 40013022307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40013022295 and 40013022304.

It is not an unprimeable number, because it can be changed into a prime (40013042323) 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, 180740 + ... + 335697.

It is an arithmetic number, because the mean of its divisors is an integer number (10003404060).

Almost surely, 2^40013022323 is an apocalyptic number.

40013022323 is a deficient number, since it is larger than the sum of its proper divisors (593917).

40013022323 is an equidigital number, since it uses as much as digits as its factorization.

40013022323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593916.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40013022323 its reverse (32322031004), we get a palindrome (72335053327).

The spelling of 40013022323 in words is "forty billion, thirteen million, twenty-two thousand, three hundred twenty-three".