12351123 has 20 divisors (see below), whose sum is σ = 18600120. Its totient is φ = 8167392.

The previous prime is 12351103. The next prime is 12351133. The reversal of 12351123 is 32115321.

It is not a de Polignac number, because 12351123 - 2⁸ = 12350867 is a prime.

It is a super-2 number, since 2×12351123² = 305100478722258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12351096 and 12351105.

It is not an unprimeable number, because it can be changed into a prime (12351103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10711 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (930006).

Almost surely, 2^12351123 is an apocalyptic number.

12351123 is a deficient number, since it is larger than the sum of its proper divisors (6248997).

12351123 is a wasteful number, since it uses less digits than its factorization.

12351123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1239 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 12351123 is about 3514.4164522720. The cubic root of 12351123 is about 231.1543916433.

Adding to 12351123 its reverse (32115321), we get a palindrome (44466444).

The spelling of 12351123 in words is "twelve million, three hundred fifty-one thousand, one hundred twenty-three".