11066623 has 4 divisors (see below), whose sum is σ = 11106288. Its totient is φ = 11026960.

The previous prime is 11066621. The next prime is 11066641. The reversal of 11066623 is 32666011.

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 11066623 - 2¹ = 11066621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11066621) 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, 19411 + ... + 19972.

It is an arithmetic number, because the mean of its divisors is an integer number (2776572).

Almost surely, 2^11066623 is an apocalyptic number.

11066623 is a deficient number, since it is larger than the sum of its proper divisors (39665).

11066623 is an equidigital number, since it uses as much as digits as its factorization.

11066623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39664.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 11066623 is about 3326.6534234873. The cubic root of 11066623 is about 222.8461002520.

The spelling of 11066623 in words is "eleven million, sixty-six thousand, six hundred twenty-three".