14023391 has 2 divisors, whose sum is σ = 14023392. Its totient is φ = 14023390.

The previous prime is 14023381. The next prime is 14023393. The reversal of 14023391 is 19332041.

It is a strong prime.

It is an emirp because it is prime and its reverse (19332041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14023391 is a prime.

It is a super-3 number, since 3×14023391³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 14023393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14023393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7011695 + 7011696.

It is an arithmetic number, because the mean of its divisors is an integer number (7011696).

Almost surely, 2^14023391 is an apocalyptic number.

14023391 is a deficient number, since it is larger than the sum of its proper divisors (1).

14023391 is an equidigital number, since it uses as much as digits as its factorization.

14023391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 14023391 is about 3744.7818361021. The cubic root of 14023391 is about 241.1483794404.

The spelling of 14023391 in words is "fourteen million, twenty-three thousand, three hundred ninety-one".