211423103 has 8 divisors (see below), whose sum is σ = 214274400. Its totient is φ = 208591200.

The previous prime is 211423097. The next prime is 211423109. The reversal of 211423103 is 301324112.

It is an interprime number because it is at equal distance from previous prime (211423097) and next prime (211423109).

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 211423103 - 2¹⁴ = 211406719 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 (211423109) 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, 17801 + ... + 27197.

It is an arithmetic number, because the mean of its divisors is an integer number (26784300).

Almost surely, 2^211423103 is an apocalyptic number.

211423103 is a deficient number, since it is larger than the sum of its proper divisors (2851297).

211423103 is a wasteful number, since it uses less digits than its factorization.

211423103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 211423103 is about 14540.3955585809. The cubic root of 211423103 is about 595.7318424535.

Adding to 211423103 its reverse (301324112), we get a palindrome (512747215).

The spelling of 211423103 in words is "two hundred eleven million, four hundred twenty-three thousand, one hundred three".