1312423344343 has 4 divisors (see below), whose sum is σ = 1312484095368. Its totient is φ = 1312362593320.

The previous prime is 1312423344341. The next prime is 1312423344391. The reversal of 1312423344343 is 3434433242131.

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 1312423344343 - 2¹ = 1312423344341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312423344341) 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, 30343096 + ... + 30386317.

It is an arithmetic number, because the mean of its divisors is an integer number (328121023842).

Almost surely, 2^{1312423344343} is an apocalyptic number.

1312423344343 is a deficient number, since it is larger than the sum of its proper divisors (60751025).

1312423344343 is an equidigital number, since it uses as much as digits as its factorization.

1312423344343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60751024.

The product of its digits is 248832, while the sum is 37.

Adding to 1312423344343 its reverse (3434433242131), we get a palindrome (4746856586474).

The spelling of 1312423344343 in words is "one trillion, three hundred twelve billion, four hundred twenty-three million, three hundred forty-four thousand, three hundred forty-three".