11823087 has 4 divisors (see below), whose sum is σ = 15764120. Its totient is φ = 7882056.

The previous prime is 11823083. The next prime is 11823089. The reversal of 11823087 is 78032811.

It is a happy number.

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

It is not a de Polignac number, because 11823087 - 2² = 11823083 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 (11823083) 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, 1970512 + ... + 1970517.

It is an arithmetic number, because the mean of its divisors is an integer number (3941030).

Almost surely, 2^11823087 is an apocalyptic number.

11823087 is a deficient number, since it is larger than the sum of its proper divisors (3941033).

11823087 is an equidigital number, since it uses as much as digits as its factorization.

11823087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941032.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 11823087 is about 3438.4716081422. The cubic root of 11823087 is about 227.8121914470.

Adding to 11823087 its reverse (78032811), we get a palindrome (89855898).

The spelling of 11823087 in words is "eleven million, eight hundred twenty-three thousand, eighty-seven".