14139723 has 18 divisors (see below), whose sum is σ = 20537724. Its totient is φ = 8649264.

The previous prime is 14139709. The next prime is 14139731. The reversal of 14139723 is 32793141.

It is not a de Polignac number, because 14139723 - 2⁴ = 14139707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14139703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 84586 + ... + 84752.

Almost surely, 2^14139723 is an apocalyptic number.

14139723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14139723 is a deficient number, since it is larger than the sum of its proper divisors (6398001).

14139723 is an equidigital number, since it uses as much as digits as its factorization.

14139723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 183 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 14139723 is about 3760.2823032320. The cubic root of 14139723 is about 241.8133649683.

The spelling of 14139723 in words is "fourteen million, one hundred thirty-nine thousand, seven hundred twenty-three".