2011004323 has 4 divisors (see below), whose sum is σ = 2025472120. Its totient is φ = 1996536528.

The previous prime is 2011004311. The next prime is 2011004351. The reversal of 2011004323 is 3234001102.

It is a happy number.

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-2011004323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011004297 and 2011004306.

It is not an unprimeable number, because it can be changed into a prime (2011004393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7233690 + ... + 7233967.

It is an arithmetic number, because the mean of its divisors is an integer number (506368030).

Almost surely, 2^2011004323 is an apocalyptic number.

2011004323 is a deficient number, since it is larger than the sum of its proper divisors (14467797).

2011004323 is a wasteful number, since it uses less digits than its factorization.

2011004323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14467796.

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

The square root of 2011004323 is about 44844.2228497719. Note that the first 3 decimals coincide. The cubic root of 2011004323 is about 1262.2275877697.

Adding to 2011004323 its reverse (3234001102), we get a palindrome (5245005425).

The spelling of 2011004323 in words is "two billion, eleven million, four thousand, three hundred twenty-three".