14304233421 has 8 divisors (see below), whose sum is σ = 21191456960. Its totient is φ = 9536155596.

The previous prime is 14304233399. The next prime is 14304233443. The reversal of 14304233421 is 12433240341.

14304233421 is a `hidden beast` number, since 1 + 4 + 3 + 0 + 4 + 233 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (14304233399) and next prime (14304233443).

It is not a de Polignac number, because 14304233421 - 2⁵ = 14304233389 is a prime.

It is a super-2 number, since 2×14304233421² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 529786423 = 14304233421 / (1 + 4 + 3 + 0 + 4 + 2 + 3 + 3 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14304233521) 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, 264893185 + ... + 264893238.

It is an arithmetic number, because the mean of its divisors is an integer number (2648932120).

Almost surely, 2^14304233421 is an apocalyptic number.

It is an amenable number.

14304233421 is a deficient number, since it is larger than the sum of its proper divisors (6887223539).

14304233421 is an equidigital number, since it uses as much as digits as its factorization.

14304233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529786432 (or 529786426 counting only the distinct ones).

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

Adding to 14304233421 its reverse (12433240341), we get a palindrome (26737473762).

The spelling of 14304233421 in words is "fourteen billion, three hundred four million, two hundred thirty-three thousand, four hundred twenty-one".