122443142351 has 2 divisors, whose sum is σ = 122443142352. Its totient is φ = 122443142350.

The previous prime is 122443142333. The next prime is 122443142359. The reversal of 122443142351 is 153241344221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122443142351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122443142359) 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, 61221571175 + 61221571176.

It is an arithmetic number, because the mean of its divisors is an integer number (61221571176).

Almost surely, 2^122443142351 is an apocalyptic number.

122443142351 is a deficient number, since it is larger than the sum of its proper divisors (1).

122443142351 is an equidigital number, since it uses as much as digits as its factorization.

122443142351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

Adding to 122443142351 its reverse (153241344221), we get a palindrome (275684486572).

The spelling of 122443142351 in words is "one hundred twenty-two billion, four hundred forty-three million, one hundred forty-two thousand, three hundred fifty-one".