2066123 has 2 divisors, whose sum is σ = 2066124. Its totient is φ = 2066122.

The previous prime is 2066111. The next prime is 2066137. The reversal of 2066123 is 3216602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2066123 - 2⁶ = 2066059 is a prime.

It is a super-2 number, since 2×2066123² = 8537728502258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2066095 and 2066104.

It is not a weakly prime, because it can be changed into another prime (2066153) 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, 1033061 + 1033062.

It is an arithmetic number, because the mean of its divisors is an integer number (1033062).

2^2066123 is an apocalyptic number.

2066123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066123 is an equidigital number, since it uses as much as digits as its factorization.

2066123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2066123 is about 1437.4014748845. The cubic root of 2066123 is about 127.3655740721.

The spelling of 2066123 in words is "two million, sixty-six thousand, one hundred twenty-three".