159623 has 2 divisors, whose sum is σ = 159624. Its totient is φ = 159622.

The previous prime is 159617. The next prime is 159629. The reversal of 159623 is 326951.

It is a balanced prime because it is at equal distance from previous prime (159617) and next prime (159629).

It is an emirp because it is prime and its reverse (326951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159623 - 2¹⁴ = 143239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159592 and 159601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79811 + 79812.

It is an arithmetic number, because the mean of its divisors is an integer number (79812).

2¹⁵⁹⁶²³ is an apocalyptic number.

159623 is a deficient number, since it is larger than the sum of its proper divisors (1).

159623 is an equidigital number, since it uses as much as digits as its factorization.

159623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 159623 is about 399.5284720768. The cubic root of 159623 is about 54.2456798219.

The spelling of 159623 in words is "one hundred fifty-nine thousand, six hundred twenty-three".