40322003243 has 4 divisors (see below), whose sum is σ = 42444213960. Its totient is φ = 38199792528.

The previous prime is 40322003209. The next prime is 40322003339. The reversal of 40322003243 is 34230022304.

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 40322003243 - 2¹² = 40321999147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40322033243) 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, 1061105330 + ... + 1061105367.

It is an arithmetic number, because the mean of its divisors is an integer number (10611053490).

Almost surely, 2^40322003243 is an apocalyptic number.

40322003243 is a deficient number, since it is larger than the sum of its proper divisors (2122210717).

40322003243 is a wasteful number, since it uses less digits than its factorization.

40322003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122210716.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 40322003243 its reverse (34230022304), we get a palindrome (74552025547).

The spelling of 40322003243 in words is "forty billion, three hundred twenty-two million, three thousand, two hundred forty-three".