2011340023 has 16 divisors (see below), whose sum is σ = 2655154944. Its totient is φ = 1475084160.

The previous prime is 2011340003. The next prime is 2011340027. The reversal of 2011340023 is 3200431102.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2011340023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011339979 and 2011340006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011340027) 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, 766965 + ... + 769582.

It is an arithmetic number, because the mean of its divisors is an integer number (165947184).

Almost surely, 2^2011340023 is an apocalyptic number.

2011340023 is a deficient number, since it is larger than the sum of its proper divisors (643814921).

2011340023 is a wasteful number, since it uses less digits than its factorization.

2011340023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536582.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2011340023 is about 44847.9656506290. The cubic root of 2011340023 is about 1262.2978190501.

Adding to 2011340023 its reverse (3200431102), we get a palindrome (5211771125).

The spelling of 2011340023 in words is "two billion, eleven million, three hundred forty thousand, twenty-three".