211404042343 has 8 divisors (see below), whose sum is σ = 229754571200. Its totient is φ = 193351896288.

The previous prime is 211404042341. The next prime is 211404042373. The reversal of 211404042343 is 343240404112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211404042343 - 2¹ = 211404042341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211404042341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74594223 + ... + 74597056.

It is an arithmetic number, because the mean of its divisors is an integer number (28719321400).

Almost surely, 2^211404042343 is an apocalyptic number.

211404042343 is a deficient number, since it is larger than the sum of its proper divisors (18350528857).

211404042343 is a wasteful number, since it uses less digits than its factorization.

211404042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149191401.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 211404042343 its reverse (343240404112), we get a palindrome (554644446455).

The spelling of 211404042343 in words is "two hundred eleven billion, four hundred four million, forty-two thousand, three hundred forty-three".