1066023 has 12 divisors (see below), whose sum is σ = 1759888. Its totient is φ = 609120.

The previous prime is 1066001. The next prime is 1066031. The reversal of 1066023 is 3206601.

It is a happy number.

1066023 is a `hidden beast` number, since 1 + 0 + 660 + 2 + 3 = 666.

It is not a de Polignac number, because 1066023 - 2⁹ = 1065511 is a prime.

It is a super-2 number, since 2×1066023² = 2272810073058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1065987 and 1066005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8398 + ... + 8523.

2^1066023 is an apocalyptic number.

1066023 is a deficient number, since it is larger than the sum of its proper divisors (693865).

1066023 is a wasteful number, since it uses less digits than its factorization.

1066023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16934 (or 16931 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1066023 is about 1032.4838981795. The cubic root of 1066023 is about 102.1540348572.

The spelling of 1066023 in words is "one million, sixty-six thousand, twenty-three".