122438356373 has 2 divisors, whose sum is σ = 122438356374. Its totient is φ = 122438356372.

The previous prime is 122438356343. The next prime is 122438356393. The reversal of 122438356373 is 373653834221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70701214609 + 51737141764 = 265897^2 + 227458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122438356373 is a prime.

It is a super-2 number, since 2×122438356373² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122438356333) 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, 61219178186 + 61219178187.

It is an arithmetic number, because the mean of its divisors is an integer number (61219178187).

Almost surely, 2^122438356373 is an apocalyptic number.

It is an amenable number.

122438356373 is a deficient number, since it is larger than the sum of its proper divisors (1).

122438356373 is an equidigital number, since it uses as much as digits as its factorization.

122438356373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 47.

The spelling of 122438356373 in words is "one hundred twenty-two billion, four hundred thirty-eight million, three hundred fifty-six thousand, three hundred seventy-three".