12313123 has 4 divisors (see below), whose sum is σ = 12521880. Its totient is φ = 12104368.

The previous prime is 12313111. The next prime is 12313141. The reversal of 12313123 is 32131321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32131321 = 983 ⋅32687.

It is a cyclic number.

It is not a de Polignac number, because 12313123 - 2²¹ = 10215971 is a prime.

It is a super-2 number, since 2×12313123² = 303225996026258, 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 = 12313097 and 12313106.

It is not an unprimeable number, because it can be changed into a prime (12314123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104290 + ... + 104407.

It is an arithmetic number, because the mean of its divisors is an integer number (3130470).

Almost surely, 2^12313123 is an apocalyptic number.

12313123 is a deficient number, since it is larger than the sum of its proper divisors (208757).

12313123 is an equidigital number, since it uses as much as digits as its factorization.

12313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208756.

The product of its digits is 108, while the sum is 16.

The square root of 12313123 is about 3509.0059846059. The cubic root of 12313123 is about 230.9170882395.

Adding to 12313123 its reverse (32131321), we get a palindrome (44444444).

The spelling of 12313123 in words is "twelve million, three hundred thirteen thousand, one hundred twenty-three".