143422323997 has 2 divisors, whose sum is σ = 143422323998. Its totient is φ = 143422323996.

The previous prime is 143422323953. The next prime is 143422324021. The reversal of 143422323997 is 799323224341.

143422323997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109891587001 + 33530736996 = 331499^2 + 183114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143422323997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143422323997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143422323917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71711161998 + 71711161999.

It is an arithmetic number, because the mean of its divisors is an integer number (71711161999).

Almost surely, 2^143422323997 is an apocalyptic number.

It is an amenable number.

143422323997 is a deficient number, since it is larger than the sum of its proper divisors (1).

143422323997 is an equidigital number, since it uses as much as digits as its factorization.

143422323997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 49.

The spelling of 143422323997 in words is "one hundred forty-three billion, four hundred twenty-two million, three hundred twenty-three thousand, nine hundred ninety-seven".