6738131123 has 2 divisors, whose sum is σ = 6738131124. Its totient is φ = 6738131122.

The previous prime is 6738131051. The next prime is 6738131207. The reversal of 6738131123 is 3211318376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6738131123 - 2²² = 6733936819 is a prime.

It is a super-2 number, since 2×6738131123² = 90804822061482482258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6738131723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3369065561 + 3369065562.

It is an arithmetic number, because the mean of its divisors is an integer number (3369065562).

Almost surely, 2^6738131123 is an apocalyptic number.

6738131123 is a deficient number, since it is larger than the sum of its proper divisors (1).

6738131123 is an equidigital number, since it uses as much as digits as its factorization.

6738131123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 6738131123 is about 82086.1201604754. The cubic root of 6738131123 is about 1888.7732325273.

Adding to 6738131123 its reverse (3211318376), we get a palindrome (9949449499).

The spelling of 6738131123 in words is "six billion, seven hundred thirty-eight million, one hundred thirty-one thousand, one hundred twenty-three".