143423141 has 4 divisors (see below), whose sum is σ = 146129292. Its totient is φ = 140716992.

The previous prime is 143423117. The next prime is 143423167. The reversal of 143423141 is 141324341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58967041 + 84456100 = 7679^2 + 9190^2 .

It is a cyclic number.

It is not a de Polignac number, because 143423141 - 2¹⁰ = 143422117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143423171) 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 in 3 ways as a sum of consecutive naturals, for example, 1352996 + ... + 1353101.

It is an arithmetic number, because the mean of its divisors is an integer number (36532323).

Almost surely, 2^143423141 is an apocalyptic number.

It is an amenable number.

143423141 is a deficient number, since it is larger than the sum of its proper divisors (2706151).

143423141 is an equidigital number, since it uses as much as digits as its factorization.

143423141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706150.

The product of its digits is 1152, while the sum is 23.

The square root of 143423141 is about 11975.9400883605. The cubic root of 143423141 is about 523.4474355539.

Adding to 143423141 its reverse (141324341), we get a palindrome (284747482).

The spelling of 143423141 in words is "one hundred forty-three million, four hundred twenty-three thousand, one hundred forty-one".