143400323 has 8 divisors (see below), whose sum is σ = 157563840. Its totient is φ = 129424680.

The previous prime is 143400307. The next prime is 143400347. The reversal of 143400323 is 323004341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143400323 - 2⁴ = 143400307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143400295 and 143400304.

It is not an unprimeable number, because it can be changed into a prime (143402323) 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 7 ways as a sum of consecutive naturals, for example, 45365 + ... + 48422.

It is an arithmetic number, because the mean of its divisors is an integer number (19695480).

Almost surely, 2^143400323 is an apocalyptic number.

143400323 is a deficient number, since it is larger than the sum of its proper divisors (14163517).

143400323 is a wasteful number, since it uses less digits than its factorization.

143400323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93937.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 143400323 is about 11974.9873903900. The cubic root of 143400323 is about 523.4196746757.

Adding to 143400323 its reverse (323004341), we get a palindrome (466404664).

The spelling of 143400323 in words is "one hundred forty-three million, four hundred thousand, three hundred twenty-three".