12001223012923 has 2 divisors, whose sum is σ = 12001223012924. Its totient is φ = 12001223012922.

The previous prime is 12001223012881. The next prime is 12001223012951. The reversal of 12001223012923 is 32921032210021.

It is an a-pointer prime, because the next prime (12001223012951) can be obtained adding 12001223012923 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001223012923 - 2²⁵ = 12001189458491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001223012891 and 12001223012900.

It is not a weakly prime, because it can be changed into another prime (12001223012993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000611506461 + 6000611506462.

It is an arithmetic number, because the mean of its divisors is an integer number (6000611506462).

Almost surely, 2^{12001223012923} is an apocalyptic number.

12001223012923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001223012923 is an equidigital number, since it uses as much as digits as its factorization.

12001223012923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 12001223012923 its reverse (32921032210021), we get a palindrome (44922255222944).

The spelling of 12001223012923 in words is "twelve trillion, one billion, two hundred twenty-three million, twelve thousand, nine hundred twenty-three".