12230432173 has 2 divisors, whose sum is σ = 12230432174. Its totient is φ = 12230432172.

The previous prime is 12230432161. The next prime is 12230432233. The reversal of 12230432173 is 37123403221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11643920649 + 586511524 = 107907^2 + 24218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12230432173 is a prime.

It is a super-2 number, since 2×12230432173² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12230432273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115216086 + 6115216087.

It is an arithmetic number, because the mean of its divisors is an integer number (6115216087).

Almost surely, 2^12230432173 is an apocalyptic number.

It is an amenable number.

12230432173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230432173 is an equidigital number, since it uses as much as digits as its factorization.

12230432173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 12230432173 its reverse (37123403221), we get a palindrome (49353835394).

The spelling of 12230432173 in words is "twelve billion, two hundred thirty million, four hundred thirty-two thousand, one hundred seventy-three".