40344123211303 has 4 divisors (see below), whose sum is σ = 40344644685520. Its totient is φ = 40343601737088.

The previous prime is 40344123211267. The next prime is 40344123211309. The reversal of 40344123211303 is 30311232144304.

40344123211303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40344123211303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344123211309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260621043 + ... + 260775796.

It is an arithmetic number, because the mean of its divisors is an integer number (10086161171380).

Almost surely, 2^{40344123211303} is an apocalyptic number.

40344123211303 is a deficient number, since it is larger than the sum of its proper divisors (521474217).

40344123211303 is an equidigital number, since it uses as much as digits as its factorization.

40344123211303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521474216.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 40344123211303 its reverse (30311232144304), we get a palindrome (70655355355607).

The spelling of 40344123211303 in words is "forty trillion, three hundred forty-four billion, one hundred twenty-three million, two hundred eleven thousand, three hundred three".