143423201 has 4 divisors (see below), whose sum is σ = 143447232. Its totient is φ = 143399172.

The previous prime is 143423177. The next prime is 143423221. The reversal of 143423201 is 102324341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 143423201 - 2²² = 139228897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143423221) 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, 4556 + ... + 17538.

It is an arithmetic number, because the mean of its divisors is an integer number (35861808).

Almost surely, 2^143423201 is an apocalyptic number.

It is an amenable number.

143423201 is a deficient number, since it is larger than the sum of its proper divisors (24031).

143423201 is a wasteful number, since it uses less digits than its factorization.

143423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24030.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143423201 is about 11975.9425933828. The cubic root of 143423201 is about 523.4475085473.

Adding to 143423201 its reverse (102324341), we get a palindrome (245747542).

The spelling of 143423201 in words is "one hundred forty-three million, four hundred twenty-three thousand, two hundred one".