1123123032271 has 2 divisors, whose sum is σ = 1123123032272. Its totient is φ = 1123123032270.

The previous prime is 1123123032173. The next prime is 1123123032287. The reversal of 1123123032271 is 1722303213211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123123032271 - 2⁹ = 1123123031759 is a prime.

It is a super-2 number, since 2×1123123032271² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123123032571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561561516135 + 561561516136.

It is an arithmetic number, because the mean of its divisors is an integer number (561561516136).

Almost surely, 2^{1123123032271} is an apocalyptic number.

1123123032271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123123032271 is an equidigital number, since it uses as much as digits as its factorization.

1123123032271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 1123123032271 its reverse (1722303213211), we get a palindrome (2845426245482).

The spelling of 1123123032271 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-three million, thirty-two thousand, two hundred seventy-one".