12159023 has 4 divisors (see below), whose sum is σ = 12168288. Its totient is φ = 12149760.

The previous prime is 12159013. The next prime is 12159053. The reversal of 12159023 is 32095121.

12159023 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32095121 = 2293 ⋅13997.

It is a cyclic number.

It is not a de Polignac number, because 12159023 - 2¹⁴ = 12142639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12159023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12159013) 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, 2258 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (3042072).

Almost surely, 2^12159023 is an apocalyptic number.

12159023 is a deficient number, since it is larger than the sum of its proper divisors (9265).

12159023 is an equidigital number, since it uses as much as digits as its factorization.

12159023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12159023 is about 3486.9790650361. The cubic root of 12159023 is about 229.9497243608.

The spelling of 12159023 in words is "twelve million, one hundred fifty-nine thousand, twenty-three".