14639923 has 2 divisors, whose sum is σ = 14639924. Its totient is φ = 14639922.

The previous prime is 14639921. The next prime is 14639929. The reversal of 14639923 is 32993641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14639923 - 2¹ = 14639921 is a prime.

Together with 14639921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14639921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7319961 + 7319962.

It is an arithmetic number, because the mean of its divisors is an integer number (7319962).

Almost surely, 2^14639923 is an apocalyptic number.

14639923 is a deficient number, since it is larger than the sum of its proper divisors (1).

14639923 is an equidigital number, since it uses as much as digits as its factorization.

14639923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 14639923 is about 3826.2152317924. The cubic root of 14639923 is about 244.6318112517.

The spelling of 14639923 in words is "fourteen million, six hundred thirty-nine thousand, nine hundred twenty-three".