1312444323 has 32 divisors (see below), whose sum is σ = 2094329600. Its totient is φ = 809621568.

The previous prime is 1312444291. The next prime is 1312444333. The reversal of 1312444323 is 3234442131.

It is not a de Polignac number, because 1312444323 - 2⁵ = 1312444291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312444333) 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 31 ways as a sum of consecutive naturals, for example, 7690 + ... + 51807.

It is an arithmetic number, because the mean of its divisors is an integer number (65447800).

Almost surely, 2^1312444323 is an apocalyptic number.

1312444323 is a deficient number, since it is larger than the sum of its proper divisors (781885277).

1312444323 is a wasteful number, since it uses less digits than its factorization.

1312444323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59568 (or 59562 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1312444323 is about 36227.6734417213. The cubic root of 1312444323 is about 1094.8643029443.

Adding to 1312444323 its reverse (3234442131), we get a palindrome (4546886454).

The spelling of 1312444323 in words is "one billion, three hundred twelve million, four hundred forty-four thousand, three hundred twenty-three".