143421263 has 2 divisors, whose sum is σ = 143421264. Its totient is φ = 143421262.

The previous prime is 143421251. The next prime is 143421277. The reversal of 143421263 is 362124341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143421263 - 2⁴ = 143421247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143421203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71710631 + 71710632.

It is an arithmetic number, because the mean of its divisors is an integer number (71710632).

Almost surely, 2^143421263 is an apocalyptic number.

143421263 is a deficient number, since it is larger than the sum of its proper divisors (1).

143421263 is an equidigital number, since it uses as much as digits as its factorization.

143421263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 143421263 is about 11975.8616808980. The cubic root of 143421263 is about 523.4451508492.

The spelling of 143421263 in words is "one hundred forty-three million, four hundred twenty-one thousand, two hundred sixty-three".