159723107 has 4 divisors (see below), whose sum is σ = 160144920. Its totient is φ = 159301296.

The previous prime is 159723077. The next prime is 159723121. The reversal of 159723107 is 701327951.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159723107 - 2¹⁰ = 159722083 is a prime.

It is a super-2 number, since 2×159723107² = 51022941819466898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159720107) 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 3 ways as a sum of consecutive naturals, for example, 210338 + ... + 211095.

It is an arithmetic number, because the mean of its divisors is an integer number (40036230).

Almost surely, 2^159723107 is an apocalyptic number.

159723107 is a deficient number, since it is larger than the sum of its proper divisors (421813).

159723107 is an equidigital number, since it uses as much as digits as its factorization.

159723107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421812.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 159723107 is about 12638.1607443488. The cubic root of 159723107 is about 542.5701744754.

The spelling of 159723107 in words is "one hundred fifty-nine million, seven hundred twenty-three thousand, one hundred seven".