2066023 has 4 divisors (see below), whose sum is σ = 2074320. Its totient is φ = 2057728.

The previous prime is 2066017. The next prime is 2066033. The reversal of 2066023 is 3206602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2066023 - 2⁵ = 2065991 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066033) 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 in 3 ways as a sum of consecutive naturals, for example, 3763 + ... + 4276.

It is an arithmetic number, because the mean of its divisors is an integer number (518580).

2^2066023 is an apocalyptic number.

2066023 is a deficient number, since it is larger than the sum of its proper divisors (8297).

2066023 is an equidigital number, since it uses as much as digits as its factorization.

2066023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2066023 is about 1437.3666894707. The cubic root of 2066023 is about 127.3635192149.

The spelling of 2066023 in words is "two million, sixty-six thousand, twenty-three".