11646023 has 4 divisors (see below), whose sum is σ = 12047640. Its totient is φ = 11244408.

The previous prime is 11646001. The next prime is 11646043. The reversal of 11646023 is 32064611.

It is a happy number.

11646023 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, and also an emirpimes, since its reverse is a distinct semiprime: 32064611 = 97 ⋅330563.

It is a cyclic number.

It is not a de Polignac number, because 11646023 - 2¹⁰ = 11644999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11646023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11646043) 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, 200765 + ... + 200822.

It is an arithmetic number, because the mean of its divisors is an integer number (3011910).

Almost surely, 2^11646023 is an apocalyptic number.

11646023 is a deficient number, since it is larger than the sum of its proper divisors (401617).

11646023 is an equidigital number, since it uses as much as digits as its factorization.

11646023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401616.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 11646023 is about 3412.6269939740. The cubic root of 11646023 is about 226.6692187813.

The spelling of 11646023 in words is "eleven million, six hundred forty-six thousand, twenty-three".