313123043 has 2 divisors, whose sum is σ = 313123044. Its totient is φ = 313123042.

The previous prime is 313123003. The next prime is 313123067. The reversal of 313123043 is 340321313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313123043 - 2⁸ = 313122787 is a prime.

It is not a weakly prime, because it can be changed into another prime (313123003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156561521 + 156561522.

It is an arithmetic number, because the mean of its divisors is an integer number (156561522).

Almost surely, 2^313123043 is an apocalyptic number.

313123043 is a deficient number, since it is larger than the sum of its proper divisors (1).

313123043 is an equidigital number, since it uses as much as digits as its factorization.

313123043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 313123043 is about 17695.2830720506. The cubic root of 313123043 is about 679.0550911361.

Adding to 313123043 its reverse (340321313), we get a palindrome (653444356).

The spelling of 313123043 in words is "three hundred thirteen million, one hundred twenty-three thousand, forty-three".