143161323 has 4 divisors (see below), whose sum is σ = 190881768. Its totient is φ = 95440880.

The previous prime is 143161303. The next prime is 143161331. The reversal of 143161323 is 323161341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323161341 = 3 ⋅107720447.

It is a cyclic number.

It is not a de Polignac number, because 143161323 - 2²⁴ = 126384107 is a prime.

It is a super-2 number, since 2×143161323² = 40990328806220658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143161293 and 143161302.

It is not an unprimeable number, because it can be changed into a prime (143161303) 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, 23860218 + ... + 23860223.

It is an arithmetic number, because the mean of its divisors is an integer number (47720442).

Almost surely, 2^143161323 is an apocalyptic number.

143161323 is a deficient number, since it is larger than the sum of its proper divisors (47720445).

143161323 is an equidigital number, since it uses as much as digits as its factorization.

143161323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47720444.

The product of its digits is 1296, while the sum is 24.

The square root of 143161323 is about 11965.0040952772. The cubic root of 143161323 is about 523.1287249242.

The spelling of 143161323 in words is "one hundred forty-three million, one hundred sixty-one thousand, three hundred twenty-three".