2011423530 has 32 divisors (see below), whose sum is σ = 4983141888. Its totient is φ = 519076800.

The previous prime is 2011423529. The next prime is 2011423621. The reversal of 2011423530 is 353241102.

It is a junction number, because it is equal to n+sod(n) for n = 2011423497 and 2011423506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080481 + ... + 1082340.

It is an arithmetic number, because the mean of its divisors is an integer number (155723184).

Almost surely, 2^2011423530 is an apocalyptic number.

2011423530 is an abundant number, since it is smaller than the sum of its proper divisors (2971718358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011423530 is a wasteful number, since it uses less digits than its factorization.

2011423530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162862.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2011423530 is about 44848.8966419465. The cubic root of 2011423530 is about 1262.3152882073.

Adding to 2011423530 its reverse (353241102), we get a palindrome (2364664632).

The spelling of 2011423530 in words is "two billion, eleven million, four hundred twenty-three thousand, five hundred thirty".