123884459 has 2 divisors, whose sum is σ = 123884460. Its totient is φ = 123884458.

The previous prime is 123884443. The next prime is 123884533. The reversal of 123884459 is 954488321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (954488321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123884459 - 2⁴ = 123884443 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (123884659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61942229 + 61942230.

It is an arithmetic number, because the mean of its divisors is an integer number (61942230).

Almost surely, 2^123884459 is an apocalyptic number.

123884459 is a deficient number, since it is larger than the sum of its proper divisors (1).

123884459 is an equidigital number, since it uses as much as digits as its factorization.

123884459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 44.

The square root of 123884459 is about 11130.3395725378. The cubic root of 123884459 is about 498.5081652853.

The spelling of 123884459 in words is "one hundred twenty-three million, eight hundred eighty-four thousand, four hundred fifty-nine".