12343123 has 4 divisors (see below), whose sum is σ = 13292608. Its totient is φ = 11393640.

The previous prime is 12343099. The next prime is 12343129. The reversal of 12343123 is 32134321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12343123 - 2¹⁷ = 12212051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12343123.

It is not an unprimeable number, because it can be changed into a prime (12343129) 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, 474723 + ... + 474748.

It is an arithmetic number, because the mean of its divisors is an integer number (3323152).

Almost surely, 2^12343123 is an apocalyptic number.

12343123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12343123 is a deficient number, since it is larger than the sum of its proper divisors (949485).

12343123 is an equidigital number, since it uses as much as digits as its factorization.

12343123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949484.

The product of its digits is 432, while the sum is 19.

The square root of 12343123 is about 3513.2780988701. The cubic root of 12343123 is about 231.1044735229.

Adding to 12343123 its reverse (32134321), we get a palindrome (44477444).

The spelling of 12343123 in words is "twelve million, three hundred forty-three thousand, one hundred twenty-three".