1312303334423 has 4 divisors (see below), whose sum is σ = 1334545763880. Its totient is φ = 1290060904968.

The previous prime is 1312303334369. The next prime is 1312303334467. The reversal of 1312303334423 is 3244333032131.

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 1312303334423 - 2¹⁰ = 1312303333399 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 1312303334423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312303334473) 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, 11121214640 + ... + 11121214757.

It is an arithmetic number, because the mean of its divisors is an integer number (333636440970).

Almost surely, 2^{1312303334423} is an apocalyptic number.

1312303334423 is a deficient number, since it is larger than the sum of its proper divisors (22242429457).

1312303334423 is an equidigital number, since it uses as much as digits as its factorization.

1312303334423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22242429456.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 1312303334423 its reverse (3244333032131), we get a palindrome (4556636366554).

The spelling of 1312303334423 in words is "one trillion, three hundred twelve billion, three hundred three million, three hundred thirty-four thousand, four hundred twenty-three".