14223135331421 has 4 divisors (see below), whose sum is σ = 14224680829632. Its totient is φ = 14221589833212.

The previous prime is 14223135331399. The next prime is 14223135331441. The reversal of 14223135331421 is 12413353132241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14223135331421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14223135331441) 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, 772735301 + ... + 772753706.

It is an arithmetic number, because the mean of its divisors is an integer number (3556170207408).

Almost surely, 2^{14223135331421} is an apocalyptic number.

It is an amenable number.

14223135331421 is a deficient number, since it is larger than the sum of its proper divisors (1545498211).

14223135331421 is an equidigital number, since it uses as much as digits as its factorization.

14223135331421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545498210.

The product of its digits is 51840, while the sum is 35.

Adding to 14223135331421 its reverse (12413353132241), we get a palindrome (26636488463662).

The spelling of 14223135331421 in words is "fourteen trillion, two hundred twenty-three billion, one hundred thirty-five million, three hundred thirty-one thousand, four hundred twenty-one".