313430123 has 2 divisors, whose sum is σ = 313430124. Its totient is φ = 313430122.

The previous prime is 313430083. The next prime is 313430147. The reversal of 313430123 is 321034313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313430123 - 2¹⁸ = 313167979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313430095 and 313430104.

It is not a weakly prime, because it can be changed into another prime (313430323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156715061 + 156715062.

It is an arithmetic number, because the mean of its divisors is an integer number (156715062).

Almost surely, 2^313430123 is an apocalyptic number.

313430123 is a deficient number, since it is larger than the sum of its proper divisors (1).

313430123 is an equidigital number, since it uses as much as digits as its factorization.

313430123 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 313430123 is about 17703.9578343375. The cubic root of 313430123 is about 679.2770018861.

Adding to 313430123 its reverse (321034313), we get a palindrome (634464436).

The spelling of 313430123 in words is "three hundred thirteen million, four hundred thirty thousand, one hundred twenty-three".