4213221200423 has 4 divisors (see below), whose sum is σ = 4214529251208. Its totient is φ = 4211913149640.

The previous prime is 4213221200407. The next prime is 4213221200431. The reversal of 4213221200423 is 3240021223124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4213221200423 - 2⁴ = 4213221200407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4213221200392 and 4213221200401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213221200453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654020561 + ... + 654027002.

It is an arithmetic number, because the mean of its divisors is an integer number (1053632312802).

Almost surely, 2^{4213221200423} is an apocalyptic number.

4213221200423 is a deficient number, since it is larger than the sum of its proper divisors (1308050785).

4213221200423 is a wasteful number, since it uses less digits than its factorization.

4213221200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308050784.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 4213221200423 its reverse (3240021223124), we get a palindrome (7453242423547).

The spelling of 4213221200423 in words is "four trillion, two hundred thirteen billion, two hundred twenty-one million, two hundred thousand, four hundred twenty-three".