159506023 has 2 divisors, whose sum is σ = 159506024. Its totient is φ = 159506022.

The previous prime is 159505987. The next prime is 159506041. The reversal of 159506023 is 320605951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159506023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159506093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79753011 + 79753012.

It is an arithmetic number, because the mean of its divisors is an integer number (79753012).

Almost surely, 2^159506023 is an apocalyptic number.

159506023 is a deficient number, since it is larger than the sum of its proper divisors (1).

159506023 is an equidigital number, since it uses as much as digits as its factorization.

159506023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 159506023 is about 12629.5693909175. The cubic root of 159506023 is about 542.3242557578.

The spelling of 159506023 in words is "one hundred fifty-nine million, five hundred six thousand, twenty-three".