143423523 has 6 divisors (see below), whose sum is σ = 207167324. Its totient is φ = 95615676.

The previous prime is 143423503. The next prime is 143423569. The reversal of 143423523 is 325324341.

It is not a de Polignac number, because 143423523 - 2⁹ = 143423011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143423503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7967965 + ... + 7967982.

Almost surely, 2^143423523 is an apocalyptic number.

143423523 is a deficient number, since it is larger than the sum of its proper divisors (63743801).

143423523 is a wasteful number, since it uses less digits than its factorization.

143423523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935953 (or 15935950 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 143423523 is about 11975.9560369935. The cubic root of 143423523 is about 523.4479002784.

Adding to 143423523 its reverse (325324341), we get a palindrome (468747864).

The spelling of 143423523 in words is "one hundred forty-three million, four hundred twenty-three thousand, five hundred twenty-three".