12023533243 has 4 divisors (see below), whose sum is σ = 12047629000. Its totient is φ = 11999437488.

The previous prime is 12023533229. The next prime is 12023533253. The reversal of 12023533243 is 34233532021.

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

It is a cyclic number.

It is not a de Polignac number, because 12023533243 - 2⁵ = 12023533211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023533213) 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, 12047130 + ... + 12048127.

It is an arithmetic number, because the mean of its divisors is an integer number (3011907250).

Almost surely, 2^12023533243 is an apocalyptic number.

12023533243 is a deficient number, since it is larger than the sum of its proper divisors (24095757).

12023533243 is an equidigital number, since it uses as much as digits as its factorization.

12023533243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24095756.

The product of its (nonzero) digits is 12960, while the sum is 28.

The spelling of 12023533243 in words is "twelve billion, twenty-three million, five hundred thirty-three thousand, two hundred forty-three".