11623663 has 4 divisors (see below), whose sum is σ = 11643120. Its totient is φ = 11604208.

The previous prime is 11623657. The next prime is 11623669. The reversal of 11623663 is 36632611.

11623663 is digitally balanced in base 3, 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: 36632611 = 109 ⋅336079.

It is an interprime number because it is at equal distance from previous prime (11623657) and next prime (11623669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11623663 is a prime.

It is a super-3 number, since 3×11623663³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623669) 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, 8803 + ... + 10036.

It is an arithmetic number, because the mean of its divisors is an integer number (2910780).

Almost surely, 2^11623663 is an apocalyptic number.

11623663 is a deficient number, since it is larger than the sum of its proper divisors (19457).

11623663 is an equidigital number, since it uses as much as digits as its factorization.

11623663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19456.

The product of its digits is 3888, while the sum is 28.

The square root of 11623663 is about 3409.3493514159. The cubic root of 11623663 is about 226.5240599041.

The spelling of 11623663 in words is "eleven million, six hundred twenty-three thousand, six hundred sixty-three".