231234223322173 has 2 divisors, whose sum is σ = 231234223322174. Its totient is φ = 231234223322172.

The previous prime is 231234223322101. The next prime is 231234223322197. The reversal of 231234223322173 is 371223322432132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200323770202084 + 30910453120089 = 14153578^2 + 5559717^2 .

It is a cyclic number.

It is not a de Polignac number, because 231234223322173 - 2¹³ = 231234223313981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231234223322273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115617111661086 + 115617111661087.

It is an arithmetic number, because the mean of its divisors is an integer number (115617111661087).

Almost surely, 2^{231234223322173} is an apocalyptic number.

It is an amenable number.

231234223322173 is a deficient number, since it is larger than the sum of its proper divisors (1).

231234223322173 is an equidigital number, since it uses as much as digits as its factorization.

231234223322173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 40.

The spelling of 231234223322173 in words is "two hundred thirty-one trillion, two hundred thirty-four billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred seventy-three".