123423343 has 2 divisors, whose sum is σ = 123423344. Its totient is φ = 123423342.

The previous prime is 123423341. The next prime is 123423367. The reversal of 123423343 is 343324321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123423343 - 2¹ = 123423341 is a prime.

Together with 123423341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123423341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711671 + 61711672.

It is an arithmetic number, because the mean of its divisors is an integer number (61711672).

Almost surely, 2^123423343 is an apocalyptic number.

123423343 is a deficient number, since it is larger than the sum of its proper divisors (1).

123423343 is an equidigital number, since it uses as much as digits as its factorization.

123423343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 25.

The square root of 123423343 is about 11109.6058885993. The cubic root of 123423343 is about 497.8888896378. Note that the first 5 decimals are identical.

Adding to 123423343 its reverse (343324321), we get a palindrome (466747664).

The spelling of 123423343 in words is "one hundred twenty-three million, four hundred twenty-three thousand, three hundred forty-three".