2011423216 has 40 divisors (see below), whose sum is σ = 4290462000. Its totient is φ = 905886720.

The previous prime is 2011423213. The next prime is 2011423217. The reversal of 2011423216 is 6123241102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011423213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33241 + ... + 71608.

It is an arithmetic number, because the mean of its divisors is an integer number (107261550).

Almost surely, 2^2011423216 is an apocalyptic number.

It is an amenable number.

2011423216 is an abundant number, since it is smaller than the sum of its proper divisors (2279038784).

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

2011423216 is a wasteful number, since it uses less digits than its factorization.

2011423216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104977 (or 104971 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2011423216 is about 44848.8931413028. The cubic root of 2011423216 is about 1262.3152225214.

Adding to 2011423216 its reverse (6123241102), we get a palindrome (8134664318).

The spelling of 2011423216 in words is "two billion, eleven million, four hundred twenty-three thousand, two hundred sixteen".