123244243 has 2 divisors, whose sum is σ = 123244244. Its totient is φ = 123244242.

The previous prime is 123244207. The next prime is 123244291. The reversal of 123244243 is 342442321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123244243 is a prime.

It is not a weakly prime, because it can be changed into another prime (123244343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61622121 + 61622122.

It is an arithmetic number, because the mean of its divisors is an integer number (61622122).

Almost surely, 2^123244243 is an apocalyptic number.

123244243 is a deficient number, since it is larger than the sum of its proper divisors (1).

123244243 is an equidigital number, since it uses as much as digits as its factorization.

123244243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 25.

The square root of 123244243 is about 11101.5423703195. The cubic root of 123244243 is about 497.6479436781.

Adding to 123244243 its reverse (342442321), we get a palindrome (465686564).

The spelling of 123244243 in words is "one hundred twenty-three million, two hundred forty-four thousand, two hundred forty-three".