14223421203406 has 8 divisors (see below), whose sum is σ = 21337461758520. Its totient is φ = 7110933950568.

The previous prime is 14223421203403. The next prime is 14223421203419. The reversal of 14223421203406 is 60430212432241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14223421203401) 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, 388302676 + ... + 388339303.

It is an arithmetic number, because the mean of its divisors is an integer number (2667182719815).

Almost surely, 2^{14223421203406} is an apocalyptic number.

14223421203406 is a deficient number, since it is larger than the sum of its proper divisors (7114040555114).

14223421203406 is an equidigital number, since it uses as much as digits as its factorization.

14223421203406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776651138.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 14223421203406 its reverse (60430212432241), we get a palindrome (74653633635647).

The spelling of 14223421203406 in words is "fourteen trillion, two hundred twenty-three billion, four hundred twenty-one million, two hundred three thousand, four hundred six".