123202230032209 has 2 divisors, whose sum is σ = 123202230032210. Its totient is φ = 123202230032208.

The previous prime is 123202230032197. The next prime is 123202230032267. The reversal of 123202230032209 is 902230032202321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66172123890625 + 57030106141584 = 8134625^2 + 7551828^2 .

It is a cyclic number.

It is not a de Polignac number, because 123202230032209 - 2¹¹ = 123202230030161 is a prime.

It is not a weakly prime, because it can be changed into another prime (123202230432209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601115016104 + 61601115016105.

It is an arithmetic number, because the mean of its divisors is an integer number (61601115016105).

Almost surely, 2^{123202230032209} is an apocalyptic number.

It is an amenable number.

123202230032209 is a deficient number, since it is larger than the sum of its proper divisors (1).

123202230032209 is an equidigital number, since it uses as much as digits as its factorization.

123202230032209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 123202230032209 in words is "one hundred twenty-three trillion, two hundred two billion, two hundred thirty million, thirty-two thousand, two hundred nine".