211123006 has 16 divisors (see below), whose sum is σ = 320010768. Its totient is φ = 104457600.

The previous prime is 211123001. The next prime is 211123021. The reversal of 211123006 is 600321112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211123001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112516 + ... + 114376.

It is an arithmetic number, because the mean of its divisors is an integer number (20000673).

Almost surely, 2^211123006 is an apocalyptic number.

211123006 is a deficient number, since it is larger than the sum of its proper divisors (108887762).

211123006 is a wasteful number, since it uses less digits than its factorization.

211123006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 211123006 is about 14530.0724705694. The cubic root of 211123006 is about 595.4498455331.

Adding to 211123006 its reverse (600321112), we get a palindrome (811444118).

The spelling of 211123006 in words is "two hundred eleven million, one hundred twenty-three thousand, six".