12423113 has 2 divisors, whose sum is σ = 12423114. Its totient is φ = 12423112.

The previous prime is 12423109. The next prime is 12423119. The reversal of 12423113 is 31132421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12369289 + 53824 = 3517^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 12423113 - 2² = 12423109 is a prime.

It is a super-2 number, since 2×12423113² = 308667473221538, which contains 22 as substring.

It is a Chen prime.

It is equal to p₈₁₄₀₄₀ and since 12423113 and 814040 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 12423091 and 12423100.

It is not a weakly prime, because it can be changed into another prime (12423119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211556 + 6211557.

It is an arithmetic number, because the mean of its divisors is an integer number (6211557).

Almost surely, 2^12423113 is an apocalyptic number.

It is an amenable number.

12423113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423113 is an equidigital number, since it uses as much as digits as its factorization.

12423113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 12423113 is about 3524.6436699332. The cubic root of 12423113 is about 231.6026255938.

Adding to 12423113 its reverse (31132421), we get a palindrome (43555534).

The spelling of 12423113 in words is "twelve million, four hundred twenty-three thousand, one hundred thirteen".