5431211211423 has 16 divisors (see below), whose sum is σ = 7325567486720. Its totient is φ = 3578926070016.

The previous prime is 5431211211379. The next prime is 5431211211431. The reversal of 5431211211423 is 3241121121345.

It is not a de Polignac number, because 5431211211423 - 2¹⁶ = 5431211145887 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 (5431211211443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11628643 + ... + 12086676.

It is an arithmetic number, because the mean of its divisors is an integer number (457847967920).

Almost surely, 2^{5431211211423} is an apocalyptic number.

5431211211423 is a deficient number, since it is larger than the sum of its proper divisors (1894356275297).

5431211211423 is a wasteful number, since it uses less digits than its factorization.

5431211211423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23716206.

The product of its digits is 5760, while the sum is 30.

Adding to 5431211211423 its reverse (3241121121345), we get a palindrome (8672332332768).

The spelling of 5431211211423 in words is "five trillion, four hundred thirty-one billion, two hundred eleven million, two hundred eleven thousand, four hundred twenty-three".