211224201423 has 8 divisors (see below), whose sum is σ = 286946085168. Its totient is φ = 138159225984.

The previous prime is 211224201401. The next prime is 211224201521. The reversal of 211224201423 is 324102422112.

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

It is not a de Polignac number, because 211224201423 - 2⁹ = 211224200911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211224201393 and 211224201402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211224201523) 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, 664226890 + ... + 664227207.

It is an arithmetic number, because the mean of its divisors is an integer number (35868260646).

Almost surely, 2^211224201423 is an apocalyptic number.

211224201423 is a deficient number, since it is larger than the sum of its proper divisors (75721883745).

211224201423 is a wasteful number, since it uses less digits than its factorization.

211224201423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328454153.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 211224201423 its reverse (324102422112), we get a palindrome (535326623535).

The spelling of 211224201423 in words is "two hundred eleven billion, two hundred twenty-four million, two hundred one thousand, four hundred twenty-three".