14040023421 has 8 divisors (see below), whose sum is σ = 18901779520. Its totient is φ = 9269141472.

The previous prime is 14040023407. The next prime is 14040023429. The reversal of 14040023421 is 12432004041.

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

It is not a de Polignac number, because 14040023421 - 2¹⁰ = 14040022397 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 (14040023429) 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, 22718176 + ... + 22718793.

It is an arithmetic number, because the mean of its divisors is an integer number (2362722440).

Almost surely, 2^14040023421 is an apocalyptic number.

It is an amenable number.

14040023421 is a deficient number, since it is larger than the sum of its proper divisors (4861756099).

14040023421 is a wasteful number, since it uses less digits than its factorization.

14040023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45437075.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 14040023421 its reverse (12432004041), we get a palindrome (26472027462).

The spelling of 14040023421 in words is "fourteen billion, forty million, twenty-three thousand, four hundred twenty-one".