168037243 has 4 divisors (see below), whose sum is σ = 183313368. Its totient is φ = 152761120.

The previous prime is 168037217. The next prime is 168037277. The reversal of 168037243 is 342730861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168037243 - 2⁵ = 168037211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168037199 and 168037208.

It is not an unprimeable number, because it can be changed into a prime (168037043) 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, 7638046 + ... + 7638067.

It is an arithmetic number, because the mean of its divisors is an integer number (45828342).

Almost surely, 2^168037243 is an apocalyptic number.

168037243 is a deficient number, since it is larger than the sum of its proper divisors (15276125).

168037243 is a wasteful number, since it uses less digits than its factorization.

168037243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276124.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 168037243 is about 12962.9179971178. The cubic root of 168037243 is about 551.8256063164.

The spelling of 168037243 in words is "one hundred sixty-eight million, thirty-seven thousand, two hundred forty-three".