14203304232421 has 8 divisors (see below), whose sum is σ = 14820879219840. Its totient is φ = 13585732580112.

The previous prime is 14203304232353. The next prime is 14203304232433. The reversal of 14203304232421 is 12423240330241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14203304232421 is a prime.

It is a super-2 number, since 2×14203304232421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14203304233421) 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, 12212095 + ... + 13324483.

It is an arithmetic number, because the mean of its divisors is an integer number (1852609902480).

Almost surely, 2^{14203304232421} is an apocalyptic number.

It is an amenable number.

14203304232421 is a deficient number, since it is larger than the sum of its proper divisors (617574987419).

14203304232421 is a wasteful number, since it uses less digits than its factorization.

14203304232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667555.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 14203304232421 its reverse (12423240330241), we get a palindrome (26626544562662).

The spelling of 14203304232421 in words is "fourteen trillion, two hundred three billion, three hundred four million, two hundred thirty-two thousand, four hundred twenty-one".