2023121130209 has 2 divisors, whose sum is σ = 2023121130210. Its totient is φ = 2023121130208.

The previous prime is 2023121130157. The next prime is 2023121130223. The reversal of 2023121130209 is 9020311213202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1760929000000 + 262192130209 = 1327000^2 + 512047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2023121130209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2023121130299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011560565104 + 1011560565105.

It is an arithmetic number, because the mean of its divisors is an integer number (1011560565105).

Almost surely, 2^{2023121130209} is an apocalyptic number.

It is an amenable number.

2023121130209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023121130209 is an equidigital number, since it uses as much as digits as its factorization.

2023121130209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 2023121130209 in words is "two trillion, twenty-three billion, one hundred twenty-one million, one hundred thirty thousand, two hundred nine".