168923312 has 10 divisors (see below), whose sum is σ = 327288948. Its totient is φ = 84461648.

The previous prime is 168923267. The next prime is 168923317. The reversal of 168923312 is 213329861.

It is not an unprimeable number, because it can be changed into a prime (168923317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278838 + ... + 5278869.

Almost surely, 2^168923312 is an apocalyptic number.

It is an amenable number.

168923312 is a deficient number, since it is larger than the sum of its proper divisors (158365636).

168923312 is a wasteful number, since it uses less digits than its factorization.

168923312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557715 (or 10557709 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 168923312 is about 12997.0501268557. The cubic root of 168923312 is about 552.7938413617.

The spelling of 168923312 in words is "one hundred sixty-eight million, nine hundred twenty-three thousand, three hundred twelve".