1312134423 has 8 divisors (see below), whose sum is σ = 1767549168. Its totient is φ = 865737984.

The previous prime is 1312134419. The next prime is 1312134449. The reversal of 1312134423 is 3244312131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312134423 - 2² = 1312134419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312134393 and 1312134402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312134403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254236 + ... + 2254817.

It is an arithmetic number, because the mean of its divisors is an integer number (220943646).

Almost surely, 2^1312134423 is an apocalyptic number.

1312134423 is a deficient number, since it is larger than the sum of its proper divisors (455414745).

1312134423 is an equidigital number, since it uses as much as digits as its factorization.

1312134423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509153.

The product of its digits is 1728, while the sum is 24.

The square root of 1312134423 is about 36223.3960721520. The cubic root of 1312134423 is about 1094.7781214709.

Adding to 1312134423 its reverse (3244312131), we get a palindrome (4556446554).

The spelling of 1312134423 in words is "one billion, three hundred twelve million, one hundred thirty-four thousand, four hundred twenty-three".