11673823 has 4 divisors (see below), whose sum is σ = 13341520. Its totient is φ = 10006128.

The previous prime is 11673797. The next prime is 11673839. The reversal of 11673823 is 32837611.

11673823 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: 32837611 = 37 ⋅887503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11673823 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 (11673523) 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, 833838 + ... + 833851.

It is an arithmetic number, because the mean of its divisors is an integer number (3335380).

Almost surely, 2^11673823 is an apocalyptic number.

11673823 is a deficient number, since it is larger than the sum of its proper divisors (1667697).

11673823 is an equidigital number, since it uses as much as digits as its factorization.

11673823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667696.

The product of its digits is 6048, while the sum is 31.

The square root of 11673823 is about 3416.6976746560. The cubic root of 11673823 is about 226.8494347210.

The spelling of 11673823 in words is "eleven million, six hundred seventy-three thousand, eight hundred twenty-three".