211423013 has 8 divisors (see below), whose sum is σ = 222684000. Its totient is φ = 200175408.

The previous prime is 211422979. The next prime is 211423063. The reversal of 211423013 is 310324112.

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 211423013 - 2¹⁰ = 211421989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211422982 and 211423000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211423063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60995 + ... + 64367.

It is an arithmetic number, because the mean of its divisors is an integer number (27835500).

Almost surely, 2^211423013 is an apocalyptic number.

It is an amenable number.

211423013 is a deficient number, since it is larger than the sum of its proper divisors (11260987).

211423013 is a wasteful number, since it uses less digits than its factorization.

211423013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691.

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

The square root of 211423013 is about 14540.3924637542. The cubic root of 211423013 is about 595.7317579218.

Adding to 211423013 its reverse (310324112), we get a palindrome (521747125).

The spelling of 211423013 in words is "two hundred eleven million, four hundred twenty-three thousand, thirteen".