5187138323 has 2 divisors, whose sum is σ = 5187138324. Its totient is φ = 5187138322.

The previous prime is 5187138283. The next prime is 5187138337. The reversal of 5187138323 is 3238317815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5187138323 - 2¹⁰ = 5187137299 is a prime.

It is not a weakly prime, because it can be changed into another prime (5187138623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593569161 + 2593569162.

It is an arithmetic number, because the mean of its divisors is an integer number (2593569162).

Almost surely, 2^5187138323 is an apocalyptic number.

5187138323 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187138323 is an equidigital number, since it uses as much as digits as its factorization.

5187138323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 5187138323 is about 72021.7906122862. The cubic root of 5187138323 is about 1731.0486612153.

The spelling of 5187138323 in words is "five billion, one hundred eighty-seven million, one hundred thirty-eight thousand, three hundred twenty-three".