12230111123 has 2 divisors, whose sum is σ = 12230111124. Its totient is φ = 12230111122.

The previous prime is 12230111111. The next prime is 12230111141. The reversal of 12230111123 is 32111103221.

It is a weak prime.

It is an emirp because it is prime and its reverse (32111103221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12230111123 - 2⁶ = 12230111059 is a prime.

It is a super-2 number, since 2×12230111123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12230111143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115055561 + 6115055562.

It is an arithmetic number, because the mean of its divisors is an integer number (6115055562).

Almost surely, 2^12230111123 is an apocalyptic number.

12230111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230111123 is an equidigital number, since it uses as much as digits as its factorization.

12230111123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12230111123 its reverse (32111103221), we get a palindrome (44341214344).

The spelling of 12230111123 in words is "twelve billion, two hundred thirty million, one hundred eleven thousand, one hundred twenty-three".