143242523 has 2 divisors, whose sum is σ = 143242524. Its totient is φ = 143242522.

The previous prime is 143242507. The next prime is 143242531. The reversal of 143242523 is 325242341.

It is a strong prime.

It is an emirp because it is prime and its reverse (325242341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143242523 - 2⁴ = 143242507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143242492 and 143242501.

It is not a weakly prime, because it can be changed into another prime (143242573) 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, 71621261 + 71621262.

It is an arithmetic number, because the mean of its divisors is an integer number (71621262).

Almost surely, 2^143242523 is an apocalyptic number.

143242523 is a deficient number, since it is larger than the sum of its proper divisors (1).

143242523 is an equidigital number, since it uses as much as digits as its factorization.

143242523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 143242523 is about 11968.3968433537. The cubic root of 143242523 is about 523.2276110922.

Adding to 143242523 its reverse (325242341), we get a palindrome (468484864).

The spelling of 143242523 in words is "one hundred forty-three million, two hundred forty-two thousand, five hundred twenty-three".