1123223231159 has 2 divisors, whose sum is σ = 1123223231160. Its totient is φ = 1123223231158.

The previous prime is 1123223231087. The next prime is 1123223231161. The reversal of 1123223231159 is 9511323223211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123223231159 is a prime.

It is a Sophie Germain prime.

Together with 1123223231161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123223230159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561611615579 + 561611615580.

It is an arithmetic number, because the mean of its divisors is an integer number (561611615580).

Almost surely, 2^{1123223231159} is an apocalyptic number.

1123223231159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123223231159 is an equidigital number, since it uses as much as digits as its factorization.

1123223231159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The spelling of 1123223231159 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred fifty-nine".