2023859 has 2 divisors, whose sum is σ = 2023860. Its totient is φ = 2023858.

The previous prime is 2023849. The next prime is 2023891. The reversal of 2023859 is 9583202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2023859 - 2⁴ = 2023843 is a prime.

It is a d-powerful number, because it can be written as 2² + 0 + 2¹⁰ + 3¹⁰ + 8⁴ + 5⁹ + 9⁴ .

It is not a weakly prime, because it can be changed into another prime (2023829) 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, 1011929 + 1011930.

It is an arithmetic number, because the mean of its divisors is an integer number (1011930).

2^2023859 is an apocalyptic number.

2023859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023859 is an equidigital number, since it uses as much as digits as its factorization.

2023859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2023859 is about 1422.6239840520. The cubic root of 2023859 is about 126.4911334378.

It can be divided in two parts, 2023 and 859, that added together give a palindrome (2882).

The spelling of 2023859 in words is "two million, twenty-three thousand, eight hundred fifty-nine".