12011223023 has 2 divisors, whose sum is σ = 12011223024. Its totient is φ = 12011223022.

The previous prime is 12011222999. The next prime is 12011223043. The reversal of 12011223023 is 32032211021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011223023 - 2²⁶ = 11944114159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011222992 and 12011223010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011223043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005611511 + 6005611512.

It is an arithmetic number, because the mean of its divisors is an integer number (6005611512).

Almost surely, 2^12011223023 is an apocalyptic number.

12011223023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011223023 is an equidigital number, since it uses as much as digits as its factorization.

12011223023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12011223023 its reverse (32032211021), we get a palindrome (44043434044).

The spelling of 12011223023 in words is "twelve billion, eleven million, two hundred twenty-three thousand, twenty-three".