143923966289 has 2 divisors, whose sum is σ = 143923966290. Its totient is φ = 143923966288.

The previous prime is 143923966243. The next prime is 143923966331. The reversal of 143923966289 is 982669329341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128893206289 + 15030760000 = 359017^2 + 122600^2 .

It is a cyclic number.

It is not a de Polignac number, because 143923966289 - 2²⁰ = 143922917713 is a prime.

It is not a weakly prime, because it can be changed into another prime (143923966789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71961983144 + 71961983145.

It is an arithmetic number, because the mean of its divisors is an integer number (71961983145).

Almost surely, 2^143923966289 is an apocalyptic number.

It is an amenable number.

143923966289 is a deficient number, since it is larger than the sum of its proper divisors (1).

143923966289 is an equidigital number, since it uses as much as digits as its factorization.

143923966289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 62.

The spelling of 143923966289 in words is "one hundred forty-three billion, nine hundred twenty-three million, nine hundred sixty-six thousand, two hundred eighty-nine".