143423436 has 24 divisors (see below), whose sum is σ = 360397744. Its totient is φ = 44130240.

The previous prime is 143423431. The next prime is 143423437. The reversal of 143423436 is 634324341.

143423436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (143423431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459535 + ... + 459846.

Almost surely, 2^143423436 is an apocalyptic number.

It is an amenable number.

143423436 is an abundant number, since it is smaller than the sum of its proper divisors (216974308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143423436 is a wasteful number, since it uses less digits than its factorization.

143423436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919401 (or 919399 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

The square root of 143423436 is about 11975.9524047150. The cubic root of 143423436 is about 523.4477944381.

Adding to 143423436 its reverse (634324341), we get a palindrome (777747777).

The spelling of 143423436 in words is "one hundred forty-three million, four hundred twenty-three thousand, four hundred thirty-six".