12123359 has 2 divisors, whose sum is σ = 12123360. Its totient is φ = 12123358.

The previous prime is 12123341. The next prime is 12123361. The reversal of 12123359 is 95332121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12123359 - 2²⁰ = 11074783 is a prime.

Together with 12123361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12123959) 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, 6061679 + 6061680.

It is an arithmetic number, because the mean of its divisors is an integer number (6061680).

Almost surely, 2^12123359 is an apocalyptic number.

12123359 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123359 is an equidigital number, since it uses as much as digits as its factorization.

12123359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 12123359 is about 3481.8614274551. The cubic root of 12123359 is about 229.7246800133.

The spelling of 12123359 in words is "twelve million, one hundred twenty-three thousand, three hundred fifty-nine".