42159223 has 2 divisors, whose sum is σ = 42159224. Its totient is φ = 42159222.

The previous prime is 42159209. The next prime is 42159251. The reversal of 42159223 is 32295124.

42159223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42159251) can be obtained adding 42159223 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42159223 - 2⁵ = 42159191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42159191 and 42159200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42159263) 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 as a sum of consecutive naturals, namely, 21079611 + 21079612.

It is an arithmetic number, because the mean of its divisors is an integer number (21079612).

Almost surely, 2^42159223 is an apocalyptic number.

42159223 is a deficient number, since it is larger than the sum of its proper divisors (1).

42159223 is an equidigital number, since it uses as much as digits as its factorization.

42159223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 42159223 is about 6493.0133990313. The cubic root of 42159223 is about 348.0413672364.

The spelling of 42159223 in words is "forty-two million, one hundred fifty-nine thousand, two hundred twenty-three".