211341423 has 4 divisors (see below), whose sum is σ = 281788568. Its totient is φ = 140894280.

The previous prime is 211341421. The next prime is 211341439. The reversal of 211341423 is 324143112.

211341423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 211341423 - 2¹ = 211341421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211341423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211341421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35223568 + ... + 35223573.

It is an arithmetic number, because the mean of its divisors is an integer number (70447142).

Almost surely, 2^211341423 is an apocalyptic number.

211341423 is a deficient number, since it is larger than the sum of its proper divisors (70447145).

211341423 is an equidigital number, since it uses as much as digits as its factorization.

211341423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70447144.

The product of its digits is 576, while the sum is 21.

The square root of 211341423 is about 14537.5865603614. The cubic root of 211341423 is about 595.6551153539.

Adding to 211341423 its reverse (324143112), we get a palindrome (535484535).

The spelling of 211341423 in words is "two hundred eleven million, three hundred forty-one thousand, four hundred twenty-three".