14781623 has 2 divisors, whose sum is σ = 14781624. Its totient is φ = 14781622.

The previous prime is 14781593. The next prime is 14781631. The reversal of 14781623 is 32618741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14781623 - 2¹⁴ = 14765239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14781623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14781673) 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 as a sum of consecutive naturals, namely, 7390811 + 7390812.

It is an arithmetic number, because the mean of its divisors is an integer number (7390812).

Almost surely, 2^14781623 is an apocalyptic number.

14781623 is a deficient number, since it is larger than the sum of its proper divisors (1).

14781623 is an equidigital number, since it uses as much as digits as its factorization.

14781623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 14781623 is about 3844.6876336056. The cubic root of 14781623 is about 245.4185432211.

The spelling of 14781623 in words is "fourteen million, seven hundred eighty-one thousand, six hundred twenty-three".