14230440421 has 4 divisors (see below), whose sum is σ = 14390333100. Its totient is φ = 14070547744.

The previous prime is 14230440409. The next prime is 14230440437. The reversal of 14230440421 is 12404403241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12404403241 = 42349 ⋅292909.

It can be written as a sum of positive squares in 2 ways, for example, as 6382252321 + 7848188100 = 79889^2 + 88590^2 .

It is a cyclic number.

It is not a de Polignac number, because 14230440421 - 2¹¹ = 14230438373 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 (14230440821) 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, 79946206 + ... + 79946383.

It is an arithmetic number, because the mean of its divisors is an integer number (3597583275).

Almost surely, 2^14230440421 is an apocalyptic number.

It is an amenable number.

14230440421 is a deficient number, since it is larger than the sum of its proper divisors (159892679).

14230440421 is an equidigital number, since it uses as much as digits as its factorization.

14230440421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159892678.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 14230440421 its reverse (12404403241), we get a palindrome (26634843662).

The spelling of 14230440421 in words is "fourteen billion, two hundred thirty million, four hundred forty thousand, four hundred twenty-one".