1311230430423 has 24 divisors (see below), whose sum is σ = 1995802626480. Its totient is φ = 827265363840.

The previous prime is 1311230430421. The next prime is 1311230430427. The reversal of 1311230430423 is 3240340321131.

It is a happy number.

1311230430423 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 230 + 4 + 3 + 0 + 423 = 666.

It is not a de Polignac number, because 1311230430423 - 2¹ = 1311230430421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311230430421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3913486 + ... + 4235307.

It is an arithmetic number, because the mean of its divisors is an integer number (83158442770).

Almost surely, 2^{1311230430423} is an apocalyptic number.

1311230430423 is a deficient number, since it is larger than the sum of its proper divisors (684572196057).

1311230430423 is a wasteful number, since it uses less digits than its factorization.

1311230430423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149759 (or 8149756 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1311230430423 its reverse (3240340321131), we get a palindrome (4551570751554).

The spelling of 1311230430423 in words is "one trillion, three hundred eleven billion, two hundred thirty million, four hundred thirty thousand, four hundred twenty-three".