14866223623 has 2 divisors, whose sum is σ = 14866223624. Its totient is φ = 14866223622.

The previous prime is 14866223609. The next prime is 14866223639. The reversal of 14866223623 is 32632266841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14866223623 - 2³³ = 6276289031 is a prime.

It is a super-2 number, since 2×14866223623² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14866223623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14866223663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7433111811 + 7433111812.

It is an arithmetic number, because the mean of its divisors is an integer number (7433111812).

Almost surely, 2^14866223623 is an apocalyptic number.

14866223623 is a deficient number, since it is larger than the sum of its proper divisors (1).

14866223623 is an equidigital number, since it uses as much as digits as its factorization.

14866223623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 43.

The spelling of 14866223623 in words is "fourteen billion, eight hundred sixty-six million, two hundred twenty-three thousand, six hundred twenty-three".