12001022023 has 4 divisors (see below), whose sum is σ = 12001555440. Its totient is φ = 12000488608.

The previous prime is 12001021999. The next prime is 12001022029. The reversal of 12001022023 is 32022010021.

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 12001022023 - 2²¹ = 11998924871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001021994 and 12001022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001022029) 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, 231403 + ... + 278476.

It is an arithmetic number, because the mean of its divisors is an integer number (3000388860).

Almost surely, 2^12001022023 is an apocalyptic number.

12001022023 is a deficient number, since it is larger than the sum of its proper divisors (533417).

12001022023 is an equidigital number, since it uses as much as digits as its factorization.

12001022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533416.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12001022023 its reverse (32022010021), we get a palindrome (44023032044).

The spelling of 12001022023 in words is "twelve billion, one million, twenty-two thousand, twenty-three".