320203132223237 has 2 divisors, whose sum is σ = 320203132223238. Its totient is φ = 320203132223236.

The previous prime is 320203132223041. The next prime is 320203132223239. The reversal of 320203132223237 is 732322231302023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250042556554756 + 70160575668481 = 15812734^2 + 8376191^2 .

It is an emirp because it is prime and its reverse (732322231302023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320203132223237 - 2³⁶ = 320134412746501 is a prime.

Together with 320203132223239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 320203132223197 and 320203132223206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320203132223239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160101566111618 + 160101566111619.

It is an arithmetic number, because the mean of its divisors is an integer number (160101566111619).

Almost surely, 2^{320203132223237} is an apocalyptic number.

It is an amenable number.

320203132223237 is a deficient number, since it is larger than the sum of its proper divisors (1).

320203132223237 is an equidigital number, since it uses as much as digits as its factorization.

320203132223237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 35.

The spelling of 320203132223237 in words is "three hundred twenty trillion, two hundred three billion, one hundred thirty-two million, two hundred twenty-three thousand, two hundred thirty-seven".