11666923 has 2 divisors, whose sum is σ = 11666924. Its totient is φ = 11666922.

The previous prime is 11666873. The next prime is 11666927. The reversal of 11666923 is 32966611.

11666923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11666923 - 2¹⁷ = 11535851 is a prime.

It is a super-2 number, since 2×11666923² = 272234184575858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11666927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833461 + 5833462.

It is an arithmetic number, because the mean of its divisors is an integer number (5833462).

Almost surely, 2^11666923 is an apocalyptic number.

11666923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11666923 is an equidigital number, since it uses as much as digits as its factorization.

11666923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 11666923 is about 3415.6877784716. The cubic root of 11666923 is about 226.8047315821.

The spelling of 11666923 in words is "eleven million, six hundred sixty-six thousand, nine hundred twenty-three".