143113323 has 4 divisors (see below), whose sum is σ = 190817768. Its totient is φ = 95408880.

The previous prime is 143113309. The next prime is 143113343. The reversal of 143113323 is 323311341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323311341 = 3 ⋅107770447.

It is not a de Polignac number, because 143113323 - 2⁴ = 143113307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143113323.

It is not an unprimeable number, because it can be changed into a prime (143113343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23852218 + ... + 23852223.

It is an arithmetic number, because the mean of its divisors is an integer number (47704442).

Almost surely, 2^143113323 is an apocalyptic number.

143113323 is a deficient number, since it is larger than the sum of its proper divisors (47704445).

143113323 is an equidigital number, since it uses as much as digits as its factorization.

143113323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47704444.

The product of its digits is 648, while the sum is 21.

The square root of 143113323 is about 11962.9980774052. The cubic root of 143113323 is about 523.0702524607.

Adding to 143113323 its reverse (323311341), we get a palindrome (466424664).

The spelling of 143113323 in words is "one hundred forty-three million, one hundred thirteen thousand, three hundred twenty-three".