12087823 has 8 divisors (see below), whose sum is σ = 13213440. Its totient is φ = 10966680.

The previous prime is 12087793. The next prime is 12087839. The reversal of 12087823 is 32878021.

12087823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12087823 - 2⁵ = 12087791 is a prime.

It is a super-2 number, since 2×12087823² = 292230929758658, which contains 22 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 (12087623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7386 + ... + 8872.

It is an arithmetic number, because the mean of its divisors is an integer number (1651680).

Almost surely, 2^12087823 is an apocalyptic number.

12087823 is a deficient number, since it is larger than the sum of its proper divisors (1125617).

12087823 is a wasteful number, since it uses less digits than its factorization.

12087823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 12087823 is about 3476.7546649138. The cubic root of 12087823 is about 229.5000039554.

The spelling of 12087823 in words is "twelve million, eighty-seven thousand, eight hundred twenty-three".