1323011223151 has 2 divisors, whose sum is σ = 1323011223152. Its totient is φ = 1323011223150.

The previous prime is 1323011223137. The next prime is 1323011223239. The reversal of 1323011223151 is 1513221103231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323011223151 - 2³⁹ = 773255409263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323011223101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661505611575 + 661505611576.

It is an arithmetic number, because the mean of its divisors is an integer number (661505611576).

Almost surely, 2^{1323011223151} is an apocalyptic number.

1323011223151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323011223151 is an equidigital number, since it uses as much as digits as its factorization.

1323011223151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 1323011223151 its reverse (1513221103231), we get a palindrome (2836232326382).

The spelling of 1323011223151 in words is "one trillion, three hundred twenty-three billion, eleven million, two hundred twenty-three thousand, one hundred fifty-one".