159423917 has 8 divisors (see below), whose sum is σ = 164865792. Its totient is φ = 154000800.

The previous prime is 159423911. The next prime is 159423931. The reversal of 159423917 is 719324951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159423917 - 2⁶ = 159423853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159423911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13817 + ... + 22577.

It is an arithmetic number, because the mean of its divisors is an integer number (20608224).

Almost surely, 2^159423917 is an apocalyptic number.

It is an amenable number.

159423917 is a deficient number, since it is larger than the sum of its proper divisors (5441875).

159423917 is an equidigital number, since it uses as much as digits as its factorization.

159423917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379.

The product of its digits is 68040, while the sum is 41.

The square root of 159423917 is about 12626.3184262080. The cubic root of 159423917 is about 542.2311856719.

The spelling of 159423917 in words is "one hundred fifty-nine million, four hundred twenty-three thousand, nine hundred seventeen".