12231223023133 has 2 divisors, whose sum is σ = 12231223023134. Its totient is φ = 12231223023132.

The previous prime is 12231223023109. The next prime is 12231223023137. The reversal of 12231223023133 is 33132032213221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12083876058969 + 147346964164 = 3476187^2 + 383858^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231223023133 - 2²¹ = 12231220925981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231223023137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115611511566 + 6115611511567.

It is an arithmetic number, because the mean of its divisors is an integer number (6115611511567).

Almost surely, 2^{12231223023133} is an apocalyptic number.

It is an amenable number.

12231223023133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231223023133 is an equidigital number, since it uses as much as digits as its factorization.

12231223023133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12231223023133 its reverse (33132032213221), we get a palindrome (45363255236354).

The spelling of 12231223023133 in words is "twelve trillion, two hundred thirty-one billion, two hundred twenty-three million, twenty-three thousand, one hundred thirty-three".