143223029 has 2 divisors, whose sum is σ = 143223030. Its totient is φ = 143223028.

The previous prime is 143222993. The next prime is 143223037. The reversal of 143223029 is 920322341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129732100 + 13490929 = 11390^2 + 3673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143223029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143222989 and 143223007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143223049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71611514 + 71611515.

It is an arithmetic number, because the mean of its divisors is an integer number (71611515).

Almost surely, 2^143223029 is an apocalyptic number.

It is an amenable number.

143223029 is a deficient number, since it is larger than the sum of its proper divisors (1).

143223029 is an equidigital number, since it uses as much as digits as its factorization.

143223029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 143223029 is about 11967.5824208568. The cubic root of 143223029 is about 523.2038745146.

The spelling of 143223029 in words is "one hundred forty-three million, two hundred twenty-three thousand, twenty-nine".