2023166 has 4 divisors (see below), whose sum is σ = 3034752. Its totient is φ = 1011582.

The previous prime is 2023163. The next prime is 2023171. The reversal of 2023166 is 6613202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6613202 = 2 ⋅3306601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505790 + ... + 505793.

It is an arithmetic number, because the mean of its divisors is an integer number (758688).

2^2023166 is an apocalyptic number.

2023166 is a deficient number, since it is larger than the sum of its proper divisors (1011586).

2023166 is a wasteful number, since it uses less digits than its factorization.

2023166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011585.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2023166 is about 1422.3803991900. The cubic root of 2023166 is about 126.4766942958.

Adding to 2023166 its reverse (6613202), we get a palindrome (8636368).

The spelling of 2023166 in words is "two million, twenty-three thousand, one hundred sixty-six".