168146323 has 2 divisors, whose sum is σ = 168146324. Its totient is φ = 168146322.

The previous prime is 168146311. The next prime is 168146339. The reversal of 168146323 is 323641861.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168146323 is a prime.

It is not a weakly prime, because it can be changed into another prime (168143323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84073161 + 84073162.

It is an arithmetic number, because the mean of its divisors is an integer number (84073162).

Almost surely, 2^168146323 is an apocalyptic number.

168146323 is a deficient number, since it is larger than the sum of its proper divisors (1).

168146323 is an equidigital number, since it uses as much as digits as its factorization.

168146323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 168146323 is about 12967.1247005649. The cubic root of 168146323 is about 551.9449848465.

The spelling of 168146323 in words is "one hundred sixty-eight million, one hundred forty-six thousand, three hundred twenty-three".