21214003043223 has 24 divisors (see below), whose sum is σ = 31975777877472. Its totient is φ = 13527326395968.

The previous prime is 21214003043179. The next prime is 21214003043227. The reversal of 21214003043223 is 32234030041212.

21214003043223 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 400 + 30 + 4 + 3 + 223 = 666.

It is not a de Polignac number, because 21214003043223 - 2³³ = 21205413108631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214003043227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4704865 + ... + 8035157.

It is an arithmetic number, because the mean of its divisors is an integer number (1332324078228).

Almost surely, 2^{21214003043223} is an apocalyptic number.

21214003043223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21214003043223 is a deficient number, since it is larger than the sum of its proper divisors (10761774834249).

21214003043223 is a wasteful number, since it uses less digits than its factorization.

21214003043223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361095 (or 3361092 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 21214003043223 its reverse (32234030041212), we get a palindrome (53448033084435).

The spelling of 21214003043223 in words is "twenty-one trillion, two hundred fourteen billion, three million, forty-three thousand, two hundred twenty-three".