143125523 has 4 divisors (see below), whose sum is σ = 143289600. Its totient is φ = 142961448.

The previous prime is 143125517. The next prime is 143125531. The reversal of 143125523 is 325521341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 143125523 - 2⁸ = 143125267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143125492 and 143125501.

It is not an unprimeable number, because it can be changed into a prime (143125123) 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, 80723 + ... + 82476.

It is an arithmetic number, because the mean of its divisors is an integer number (35822400).

Almost surely, 2^143125523 is an apocalyptic number.

143125523 is a deficient number, since it is larger than the sum of its proper divisors (164077).

143125523 is an equidigital number, since it uses as much as digits as its factorization.

143125523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164076.

The product of its digits is 3600, while the sum is 26.

The square root of 143125523 is about 11963.5079721627. The cubic root of 143125523 is about 523.0851154509.

Adding to 143125523 its reverse (325521341), we get a palindrome (468646864).

The spelling of 143125523 in words is "one hundred forty-three million, one hundred twenty-five thousand, five hundred twenty-three".