10666423 has 4 divisors (see below), whose sum is σ = 10734520. Its totient is φ = 10598328.

The previous prime is 10666421. The next prime is 10666441. The reversal of 10666423 is 32466601.

10666423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10666423 - 2¹ = 10666421 is a prime.

It is a super-2 number, since 2×10666423² = 227545159229858, 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 = 10666391 and 10666400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33813 + ... + 34126.

It is an arithmetic number, because the mean of its divisors is an integer number (2683630).

Almost surely, 2^10666423 is an apocalyptic number.

10666423 is a deficient number, since it is larger than the sum of its proper divisors (68097).

10666423 is an equidigital number, since it uses as much as digits as its factorization.

10666423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68096.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 10666423 is about 3265.9490198103. The cubic root of 10666423 is about 220.1268070602.

The spelling of 10666423 in words is "ten million, six hundred sixty-six thousand, four hundred twenty-three".