12343142 has 16 divisors (see below), whose sum is σ = 21477120. Its totient is φ = 5210568.

The previous prime is 12343129. The next prime is 12343169. The reversal of 12343142 is 24134321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5642 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (1342320).

Almost surely, 2^12343142 is an apocalyptic number.

12343142 is a deficient number, since it is larger than the sum of its proper divisors (9133978).

12343142 is a wasteful number, since it uses less digits than its factorization.

12343142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235.

The product of its digits is 576, while the sum is 20.

The square root of 12343142 is about 3513.2808028963. The cubic root of 12343142 is about 231.1045921039.

Adding to 12343142 its reverse (24134321), we get a palindrome (36477463).

The spelling of 12343142 in words is "twelve million, three hundred forty-three thousand, one hundred forty-two".