986159423 has 2 divisors, whose sum is σ = 986159424. Its totient is φ = 986159422.

The previous prime is 986159371. The next prime is 986159441. The reversal of 986159423 is 324951689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 986159423 - 2⁶ = 986159359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986152423) 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, 493079711 + 493079712.

It is an arithmetic number, because the mean of its divisors is an integer number (493079712).

Almost surely, 2^986159423 is an apocalyptic number.

986159423 is a deficient number, since it is larger than the sum of its proper divisors (1).

986159423 is an equidigital number, since it uses as much as digits as its factorization.

986159423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 986159423 is about 31403.1753649213. The cubic root of 986159423 is about 995.3650245268.

The spelling of 986159423 in words is "nine hundred eighty-six million, one hundred fifty-nine thousand, four hundred twenty-three".