1312223611423 has 8 divisors (see below), whose sum is σ = 1322411284656. Its totient is φ = 1302038524800.

The previous prime is 1312223611397. The next prime is 1312223611459. The reversal of 1312223611423 is 3241163222131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312223611423 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 (1312223651423) 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, 378193 + ... + 1663573.

It is an arithmetic number, because the mean of its divisors is an integer number (165301410582).

Almost surely, 2^{1312223611423} is an apocalyptic number.

1312223611423 is a deficient number, since it is larger than the sum of its proper divisors (10187673233).

1312223611423 is a wasteful number, since it uses less digits than its factorization.

1312223611423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293305.

The product of its digits is 10368, while the sum is 31.

Adding to 1312223611423 its reverse (3241163222131), we get a palindrome (4553386833554).

The spelling of 1312223611423 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, six hundred eleven thousand, four hundred twenty-three".