313313123 has 4 divisors (see below), whose sum is σ = 313648440. Its totient is φ = 312977808.

The previous prime is 313313113. The next prime is 313313137. The reversal of 313313123 is 321313313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321313313 = 19 ⋅16911227.

It is a cyclic number.

It is not a de Polignac number, because 313313123 - 2²² = 309118819 is a prime.

It is a super-2 number, since 2×313313123² = 196330226088026258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313313095 and 313313104.

It is not an unprimeable number, because it can be changed into a prime (313313113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166253 + ... + 168126.

It is an arithmetic number, because the mean of its divisors is an integer number (78412110).

Almost surely, 2^313313123 is an apocalyptic number.

313313123 is a deficient number, since it is larger than the sum of its proper divisors (335317).

313313123 is an equidigital number, since it uses as much as digits as its factorization.

313313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335316.

The product of its digits is 486, while the sum is 20.

The square root of 313313123 is about 17700.6531800383. The cubic root of 313313123 is about 679.1924691683.

Adding to 313313123 its reverse (321313313), we get a palindrome (634626436).

The spelling of 313313123 in words is "three hundred thirteen million, three hundred thirteen thousand, one hundred twenty-three".