344142243423123 has 4 divisors (see below), whose sum is σ = 458856324564168. Its totient is φ = 229428162282080.

The previous prime is 344142243423119. The next prime is 344142243423221. The reversal of 344142243423123 is 321324342241443.

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 344142243423123 - 2² = 344142243423119 is a prime.

It is a super-2 number, since 2×344142243423123² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344142243423113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57357040570518 + ... + 57357040570523.

It is an arithmetic number, because the mean of its divisors is an integer number (114714081141042).

Almost surely, 2^{344142243423123} is an apocalyptic number.

344142243423123 is a deficient number, since it is larger than the sum of its proper divisors (114714081141045).

344142243423123 is a wasteful number, since it uses less digits than its factorization.

344142243423123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114714081141044.

The product of its digits is 1327104, while the sum is 42.

Adding to 344142243423123 its reverse (321324342241443), we get a palindrome (665466585664566).

The spelling of 344142243423123 in words is "three hundred forty-four trillion, one hundred forty-two billion, two hundred forty-three million, four hundred twenty-three thousand, one hundred twenty-three".