6457144327123 has 4 divisors (see below), whose sum is σ = 7379593516720. Its totient is φ = 5534695137528.

The previous prime is 6457144327099. The next prime is 6457144327219. The reversal of 6457144327123 is 3217234417546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6457144327123 - 2¹³ = 6457144318931 is a prime.

It is a super-2 number, since 2×6457144327123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6457144327523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461224594788 + ... + 461224594801.

It is an arithmetic number, because the mean of its divisors is an integer number (1844898379180).

Almost surely, 2^{6457144327123} is an apocalyptic number.

6457144327123 is a deficient number, since it is larger than the sum of its proper divisors (922449189597).

6457144327123 is an equidigital number, since it uses as much as digits as its factorization.

6457144327123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922449189596.

The product of its digits is 3386880, while the sum is 49.

The spelling of 6457144327123 in words is "six trillion, four hundred fifty-seven billion, one hundred forty-four million, three hundred twenty-seven thousand, one hundred twenty-three".