12023223217 has 2 divisors, whose sum is σ = 12023223218. Its totient is φ = 12023223216.

The previous prime is 12023223169. The next prime is 12023223229. The reversal of 12023223217 is 71232232021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6994144161 + 5029079056 = 83631^2 + 70916^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023223217 - 2¹⁹ = 12022698929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12023223191 and 12023223200.

It is not a weakly prime, because it can be changed into another prime (12023227217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011611608 + 6011611609.

It is an arithmetic number, because the mean of its divisors is an integer number (6011611609).

Almost surely, 2^12023223217 is an apocalyptic number.

It is an amenable number.

12023223217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023223217 is an equidigital number, since it uses as much as digits as its factorization.

12023223217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 12023223217 its reverse (71232232021), we get a palindrome (83255455238).

The spelling of 12023223217 in words is "twelve billion, twenty-three million, two hundred twenty-three thousand, two hundred seventeen".