2023856 has 10 divisors (see below), whose sum is σ = 3921252. Its totient is φ = 1011920.

The previous prime is 2023849. The next prime is 2023859. The reversal of 2023856 is 6583202.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 0 + 2¹⁷ + 3¹¹ + 8⁵ + 5⁵ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (2023859) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63230 + ... + 63261.

2^2023856 is an apocalyptic number.

It is an amenable number.

2023856 is a deficient number, since it is larger than the sum of its proper divisors (1897396).

2023856 is a wasteful number, since it uses less digits than its factorization.

2023856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126499 (or 126493 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2023856 is about 1422.6229296620. The cubic root of 2023856 is about 126.4910709378.

The spelling of 2023856 in words is "two million, twenty-three thousand, eight hundred fifty-six".