11662723 has 4 divisors (see below), whose sum is σ = 11686968. Its totient is φ = 11638480.

The previous prime is 11662711. The next prime is 11662769. The reversal of 11662723 is 32726611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11662723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11662691 and 11662700.

It is not an unprimeable number, because it can be changed into a prime (11662223) 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 in 3 ways as a sum of consecutive naturals, for example, 11386 + ... + 12367.

It is an arithmetic number, because the mean of its divisors is an integer number (2921742).

Almost surely, 2^11662723 is an apocalyptic number.

11662723 is a deficient number, since it is larger than the sum of its proper divisors (24245).

11662723 is an equidigital number, since it uses as much as digits as its factorization.

11662723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24244.

The product of its digits is 3024, while the sum is 28.

The square root of 11662723 is about 3415.0729128380. The cubic root of 11662723 is about 226.7775123458. Note that the first 3 decimals are identical.

The spelling of 11662723 in words is "eleven million, six hundred sixty-two thousand, seven hundred twenty-three".