2040340340323 has 8 divisors (see below), whose sum is σ = 2230049404800. Its totient is φ = 1858374503040.

The previous prime is 2040340340299. The next prime is 2040340340327. The reversal of 2040340340323 is 3230430430402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040340340323 - 2¹⁷ = 2040340209251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040340340291 and 2040340340300.

It is not an unprimeable number, because it can be changed into a prime (2040340340327) 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 7 ways as a sum of consecutive naturals, for example, 1935806248 + ... + 1935807301.

It is an arithmetic number, because the mean of its divisors is an integer number (278756175600).

Almost surely, 2^{2040340340323} is an apocalyptic number.

2040340340323 is a deficient number, since it is larger than the sum of its proper divisors (189709064477).

2040340340323 is a wasteful number, since it uses less digits than its factorization.

2040340340323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871613597.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 2040340340323 its reverse (3230430430402), we get a palindrome (5270770770725).

The spelling of 2040340340323 in words is "two trillion, forty billion, three hundred forty million, three hundred forty thousand, three hundred twenty-three".