313444123 has 2 divisors, whose sum is σ = 313444124. Its totient is φ = 313444122.

The previous prime is 313444099. The next prime is 313444127. The reversal of 313444123 is 321444313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313444123 is a prime.

It is not a weakly prime, because it can be changed into another prime (313444127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156722061 + 156722062.

It is an arithmetic number, because the mean of its divisors is an integer number (156722062).

Almost surely, 2^313444123 is an apocalyptic number.

313444123 is a deficient number, since it is larger than the sum of its proper divisors (1).

313444123 is an equidigital number, since it uses as much as digits as its factorization.

313444123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 313444123 is about 17704.3532217362. The cubic root of 313444123 is about 679.2871155028.

Adding to 313444123 its reverse (321444313), we get a palindrome (634888436).

The spelling of 313444123 in words is "three hundred thirteen million, four hundred forty-four thousand, one hundred twenty-three".