159423907 has 2 divisors, whose sum is σ = 159423908. Its totient is φ = 159423906.

The previous prime is 159423881. The next prime is 159423911. The reversal of 159423907 is 709324951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159423907 - 2⁷ = 159423779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159423907.

It is not a weakly prime, because it can be changed into another prime (159423997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79711953 + 79711954.

It is an arithmetic number, because the mean of its divisors is an integer number (79711954).

Almost surely, 2^159423907 is an apocalyptic number.

159423907 is a deficient number, since it is larger than the sum of its proper divisors (1).

159423907 is an equidigital number, since it uses as much as digits as its factorization.

159423907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 159423907 is about 12626.3180302098. The cubic root of 159423907 is about 542.2311743346.

The spelling of 159423907 in words is "one hundred fifty-nine million, four hundred twenty-three thousand, nine hundred seven".