1312324423 has 4 divisors (see below), whose sum is σ = 1312954720. Its totient is φ = 1311694128.

The previous prime is 1312324393. The next prime is 1312324427. The reversal of 1312324423 is 3244232131.

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 1312324423 - 2²¹ = 1310227271 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 (1312324427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312015 + ... + 316192.

It is an arithmetic number, because the mean of its divisors is an integer number (328238680).

Almost surely, 2^1312324423 is an apocalyptic number.

1312324423 is a deficient number, since it is larger than the sum of its proper divisors (630297).

1312324423 is an equidigital number, since it uses as much as digits as its factorization.

1312324423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630296.

The product of its digits is 3456, while the sum is 25.

The square root of 1312324423 is about 36226.0185916145. The cubic root of 1312324423 is about 1094.8309610277.

Adding to 1312324423 its reverse (3244232131), we get a palindrome (4556556554).

The spelling of 1312324423 in words is "one billion, three hundred twelve million, three hundred twenty-four thousand, four hundred twenty-three".