5123431421311 has 8 divisors (see below), whose sum is σ = 5855378050080. Its totient is φ = 4391491756128.

The previous prime is 5123431421233. The next prime is 5123431421333. The reversal of 5123431421311 is 1131241343215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5123431421311 - 2¹¹ = 5123431419263 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 (5123431421411) 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, 55516 + ... + 3201553.

It is an arithmetic number, because the mean of its divisors is an integer number (731922256260).

Almost surely, 2^{5123431421311} is an apocalyptic number.

5123431421311 is a deficient number, since it is larger than the sum of its proper divisors (731946628769).

5123431421311 is a wasteful number, since it uses less digits than its factorization.

5123431421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481793.

The product of its digits is 8640, while the sum is 31.

Adding to 5123431421311 its reverse (1131241343215), we get a palindrome (6254672764526).

The spelling of 5123431421311 in words is "five trillion, one hundred twenty-three billion, four hundred thirty-one million, four hundred twenty-one thousand, three hundred eleven".