168456343 has 4 divisors (see below), whose sum is σ = 183770568. Its totient is φ = 153142120.

The previous prime is 168456341. The next prime is 168456359. The reversal of 168456343 is 343654861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343654861 = 11 ⋅31241351.

It is a cyclic number.

It is not a de Polignac number, because 168456343 - 2¹ = 168456341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168456296 and 168456305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168456341) 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, 7657096 + ... + 7657117.

It is an arithmetic number, because the mean of its divisors is an integer number (45942642).

Almost surely, 2^168456343 is an apocalyptic number.

168456343 is a deficient number, since it is larger than the sum of its proper divisors (15314225).

168456343 is a wasteful number, since it uses less digits than its factorization.

168456343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15314224.

The product of its digits is 207360, while the sum is 40.

The square root of 168456343 is about 12979.0732720021. The cubic root of 168456343 is about 552.2839930089.

The spelling of 168456343 in words is "one hundred sixty-eight million, four hundred fifty-six thousand, three hundred forty-three".