211443211023 has 16 divisors (see below), whose sum is σ = 315866027136. Its totient is φ = 124683956640.

The previous prime is 211443210959. The next prime is 211443211069. The reversal of 211443211023 is 320112344112.

It is not a de Polignac number, because 211443211023 - 2⁶ = 211443210959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211443210984 and 211443211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211443211223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86584861 + ... + 86587302.

It is an arithmetic number, because the mean of its divisors is an integer number (19741626696).

Almost surely, 2^211443211023 is an apocalyptic number.

211443211023 is a deficient number, since it is larger than the sum of its proper divisors (104422816113).

211443211023 is a wasteful number, since it uses less digits than its factorization.

211443211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173172214.

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

Adding to 211443211023 its reverse (320112344112), we get a palindrome (531555555135).

The spelling of 211443211023 in words is "two hundred eleven billion, four hundred forty-three million, two hundred eleven thousand, twenty-three".