211423412423 has 8 divisors (see below), whose sum is σ = 225285946992. Its totient is φ = 197719307136.

The previous prime is 211423412401. The next prime is 211423412443. The reversal of 211423412423 is 324214324112.

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 211423412423 - 2⁶ = 211423412359 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 (211423412443) 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, 39604565 + ... + 39609902.

It is an arithmetic number, because the mean of its divisors is an integer number (28160743374).

Almost surely, 2^211423412423 is an apocalyptic number.

211423412423 is a deficient number, since it is larger than the sum of its proper divisors (13862534569).

211423412423 is a wasteful number, since it uses less digits than its factorization.

211423412423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79214641.

The product of its digits is 9216, while the sum is 29.

Adding to 211423412423 its reverse (324214324112), we get a palindrome (535637736535).

The spelling of 211423412423 in words is "two hundred eleven billion, four hundred twenty-three million, four hundred twelve thousand, four hundred twenty-three".