231123230999893 has 2 divisors, whose sum is σ = 231123230999894. Its totient is φ = 231123230999892.

The previous prime is 231123230999891. The next prime is 231123231000017. The reversal of 231123230999893 is 398999032321132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230802424305489 + 320806694404 = 15192183^2 + 566398^2 .

It is a cyclic number.

It is not a de Polignac number, because 231123230999893 - 2¹ = 231123230999891 is a prime.

It is a super-3 number, since 3×231123230999893³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 231123230999891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231123230999891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561615499946 + 115561615499947.

It is an arithmetic number, because the mean of its divisors is an integer number (115561615499947).

Almost surely, 2^{231123230999893} is an apocalyptic number.

It is an amenable number.

231123230999893 is a deficient number, since it is larger than the sum of its proper divisors (1).

231123230999893 is an equidigital number, since it uses as much as digits as its factorization.

231123230999893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34012224, while the sum is 64.

The spelling of 231123230999893 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, two hundred thirty million, nine hundred ninety-nine thousand, eight hundred ninety-three".