20173831023233 has 2 divisors, whose sum is σ = 20173831023234. Its totient is φ = 20173831023232.

The previous prime is 20173831023179. The next prime is 20173831023263. The reversal of 20173831023233 is 33232013837102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12042961268209 + 8130869755024 = 3470297^2 + 2851468^2 .

It is a cyclic number.

It is not a de Polignac number, because 20173831023233 - 2⁶ = 20173831023169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20173831023263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10086915511616 + 10086915511617.

It is an arithmetic number, because the mean of its divisors is an integer number (10086915511617).

Almost surely, 2^{20173831023233} is an apocalyptic number.

It is an amenable number.

20173831023233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20173831023233 is an equidigital number, since it uses as much as digits as its factorization.

20173831023233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 20173831023233 in words is "twenty trillion, one hundred seventy-three billion, eight hundred thirty-one million, twenty-three thousand, two hundred thirty-three".