312244123 has 2 divisors, whose sum is σ = 312244124. Its totient is φ = 312244122.

The previous prime is 312244111. The next prime is 312244181. The reversal of 312244123 is 321442213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312244123 - 2⁹ = 312243611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312244094 and 312244103.

It is not a weakly prime, because it can be changed into another prime (312245123) 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, 156122061 + 156122062.

It is an arithmetic number, because the mean of its divisors is an integer number (156122062).

Almost surely, 2^312244123 is an apocalyptic number.

312244123 is a deficient number, since it is larger than the sum of its proper divisors (1).

312244123 is an equidigital number, since it uses as much as digits as its factorization.

312244123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 312244123 is about 17670.4307530971. The cubic root of 312244123 is about 678.4191383642.

Adding to 312244123 its reverse (321442213), we get a palindrome (633686336).

The spelling of 312244123 in words is "three hundred twelve million, two hundred forty-four thousand, one hundred twenty-three".