12313243231342 has 4 divisors (see below), whose sum is σ = 18469864847016. Its totient is φ = 6156621615670.

The previous prime is 12313243231337. The next prime is 12313243231357. The reversal of 12313243231342 is 24313234231321.

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

It is a super-2 number, since 2×12313243231342² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313243231298 and 12313243231307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078310807834 + ... + 3078310807837.

It is an arithmetic number, because the mean of its divisors is an integer number (4617466211754).

Almost surely, 2^{12313243231342} is an apocalyptic number.

12313243231342 is a deficient number, since it is larger than the sum of its proper divisors (6156621615674).

12313243231342 is an equidigital number, since it uses as much as digits as its factorization.

12313243231342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156621615673.

The product of its digits is 62208, while the sum is 34.

Adding to 12313243231342 its reverse (24313234231321), we get a palindrome (36626477462663).

The spelling of 12313243231342 in words is "twelve trillion, three hundred thirteen billion, two hundred forty-three million, two hundred thirty-one thousand, three hundred forty-two".