143422143391 has 2 divisors, whose sum is σ = 143422143392. Its totient is φ = 143422143390.

The previous prime is 143422143353. The next prime is 143422143443. The reversal of 143422143391 is 193341224341.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (193341224341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143422143391 is a prime.

It is a super-2 number, since 2×143422143391² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143422143391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143422146391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71711071695 + 71711071696.

It is an arithmetic number, because the mean of its divisors is an integer number (71711071696).

Almost surely, 2^143422143391 is an apocalyptic number.

143422143391 is a deficient number, since it is larger than the sum of its proper divisors (1).

143422143391 is an equidigital number, since it uses as much as digits as its factorization.

143422143391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The spelling of 143422143391 in words is "one hundred forty-three billion, four hundred twenty-two million, one hundred forty-three thousand, three hundred ninety-one".