11040340323 has 16 divisors (see below), whose sum is σ = 14828823296. Its totient is φ = 7306135200.

The previous prime is 11040340319. The next prime is 11040340361. The reversal of 11040340323 is 32304304011.

It is not a de Polignac number, because 11040340323 - 2² = 11040340319 is a prime.

It is a super-2 number, since 2×11040340323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11040340323.

It is not an unprimeable number, because it can be changed into a prime (11040348323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489648 + ... + 511698.

It is an arithmetic number, because the mean of its divisors is an integer number (926801456).

Almost surely, 2^11040340323 is an apocalyptic number.

11040340323 is a deficient number, since it is larger than the sum of its proper divisors (3788482973).

11040340323 is a wasteful number, since it uses less digits than its factorization.

11040340323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23274.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 11040340323 its reverse (32304304011), we get a palindrome (43344644334).

The spelling of 11040340323 in words is "eleven billion, forty million, three hundred forty thousand, three hundred twenty-three".