313004123 has 2 divisors, whose sum is σ = 313004124. Its totient is φ = 313004122.

The previous prime is 313004099. The next prime is 313004129. The reversal of 313004123 is 321400313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313004123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (313004129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156502061 + 156502062.

It is an arithmetic number, because the mean of its divisors is an integer number (156502062).

Almost surely, 2^313004123 is an apocalyptic number.

313004123 is a deficient number, since it is larger than the sum of its proper divisors (1).

313004123 is an equidigital number, since it uses as much as digits as its factorization.

313004123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313004123 is about 17691.9225354397. The cubic root of 313004123 is about 678.9691148632.

Adding to 313004123 its reverse (321400313), we get a palindrome (634404436).

The spelling of 313004123 in words is "three hundred thirteen million, four thousand, one hundred twenty-three".