167889871423 has 2 divisors, whose sum is σ = 167889871424. Its totient is φ = 167889871422.

The previous prime is 167889871417. The next prime is 167889871427. The reversal of 167889871423 is 324178988761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 167889871423 - 2¹⁷ = 167889740351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167889871427) 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, 83944935711 + 83944935712.

It is an arithmetic number, because the mean of its divisors is an integer number (83944935712).

Almost surely, 2^167889871423 is an apocalyptic number.

167889871423 is a deficient number, since it is larger than the sum of its proper divisors (1).

167889871423 is an equidigital number, since it uses as much as digits as its factorization.

167889871423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32514048, while the sum is 64.

The spelling of 167889871423 in words is "one hundred sixty-seven billion, eight hundred eighty-nine million, eight hundred seventy-one thousand, four hundred twenty-three".