123324242009 has 6 divisors (see below), whose sum is σ = 131005336974. Its totient is φ = 116069874560.

The previous prime is 123324241979. The next prime is 123324242011. The reversal of 123324242009 is 900242423321.

It can be written as a sum of positive squares in 3 ways, for example, as 15043758409 + 108280483600 = 122653^2 + 329060^2 .

It is not a de Polignac number, because 123324242009 - 2²⁴ = 123307464793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123324242029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213363452 + ... + 213364029.

It is an arithmetic number, because the mean of its divisors is an integer number (21834222829).

Almost surely, 2^123324242009 is an apocalyptic number.

It is an amenable number.

123324242009 is a deficient number, since it is larger than the sum of its proper divisors (7681094965).

123324242009 is an equidigital number, since it uses as much as digits as its factorization.

123324242009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426727515 (or 426727498 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 123324242009 in words is "one hundred twenty-three billion, three hundred twenty-four million, two hundred forty-two thousand, nine".