14139823 has 2 divisors, whose sum is σ = 14139824. Its totient is φ = 14139822.

The previous prime is 14139821. The next prime is 14139841. The reversal of 14139823 is 32893141.

It is a weak prime.

It is an emirp because it is prime and its reverse (32893141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14139823 - 2¹ = 14139821 is a prime.

Together with 14139821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14139821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069911 + 7069912.

It is an arithmetic number, because the mean of its divisors is an integer number (7069912).

Almost surely, 2^14139823 is an apocalyptic number.

14139823 is a deficient number, since it is larger than the sum of its proper divisors (1).

14139823 is an equidigital number, since it uses as much as digits as its factorization.

14139823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 14139823 is about 3760.2956000825. The cubic root of 14139823 is about 241.8139350238.

It can be divided in two parts, 1413 and 9823, that added together give a square (11236 = 106²).

The spelling of 14139823 in words is "fourteen million, one hundred thirty-nine thousand, eight hundred twenty-three".