12045522023 has 12 divisors (see below), whose sum is σ = 12971069280. Its totient is φ = 11181641472.

The previous prime is 12045522011. The next prime is 12045522029. The reversal of 12045522023 is 32022554021.

It is not a de Polignac number, because 12045522023 - 2⁴ = 12045522007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12045521983 and 12045522001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045522029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264383 + ... + 306576.

It is an arithmetic number, because the mean of its divisors is an integer number (1080922440).

Almost surely, 2^12045522023 is an apocalyptic number.

12045522023 is a deficient number, since it is larger than the sum of its proper divisors (925547257).

12045522023 is an equidigital number, since it uses as much as digits as its factorization.

12045522023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571066 (or 571049 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 12045522023 in words is "twelve billion, forty-five million, five hundred twenty-two thousand, twenty-three".