11923673 has 4 divisors (see below), whose sum is σ = 11966388. Its totient is φ = 11880960.

The previous prime is 11923663. The next prime is 11923687. The reversal of 11923673 is 37632911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37632911 = 71 ⋅530041.

It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 4481689 = 2728^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 11923673 - 2¹⁰ = 11922649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11923603) 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, 20936 + ... + 21497.

It is an arithmetic number, because the mean of its divisors is an integer number (2991597).

Almost surely, 2^11923673 is an apocalyptic number.

It is an amenable number.

11923673 is a deficient number, since it is larger than the sum of its proper divisors (42715).

11923673 is an equidigital number, since it uses as much as digits as its factorization.

11923673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42714.

The product of its digits is 6804, while the sum is 32.

The square root of 11923673 is about 3453.0671872989. The cubic root of 11923673 is about 228.4564123535.

The spelling of 11923673 in words is "eleven million, nine hundred twenty-three thousand, six hundred seventy-three".