211423043112 has 32 divisors (see below), whose sum is σ = 533689241280. Its totient is φ = 69790129920.

The previous prime is 211423043107. The next prime is 211423043119. The reversal of 211423043112 is 211340324112.

211423043112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211423043112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (211423043119) 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, 42761089 + ... + 42766032.

It is an arithmetic number, because the mean of its divisors is an integer number (16677788790).

Almost surely, 2^211423043112 is an apocalyptic number.

It is an amenable number.

211423043112 is an abundant number, since it is smaller than the sum of its proper divisors (322266198168).

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

211423043112 is a wasteful number, since it uses less digits than its factorization.

211423043112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85527233 (or 85527229 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211423043112 its reverse (211340324112), we get a palindrome (422763367224).

The spelling of 211423043112 in words is "two hundred eleven billion, four hundred twenty-three million, forty-three thousand, one hundred twelve".