2231123231959 has 2 divisors, whose sum is σ = 2231123231960. Its totient is φ = 2231123231958.

The previous prime is 2231123231921. The next prime is 2231123232073. The reversal of 2231123231959 is 9591323211322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231123231959 - 2¹¹ = 2231123229911 is a prime.

It is a super-3 number, since 3×2231123231959³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231123231159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115561615979 + 1115561615980.

It is an arithmetic number, because the mean of its divisors is an integer number (1115561615980).

Almost surely, 2^{2231123231959} is an apocalyptic number.

2231123231959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231123231959 is an equidigital number, since it uses as much as digits as its factorization.

2231123231959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The spelling of 2231123231959 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-three million, two hundred thirty-one thousand, nine hundred fifty-nine".