168468233 has 4 divisors (see below), whose sum is σ = 168951300. Its totient is φ = 167985168.

The previous prime is 168468199. The next prime is 168468239. The reversal of 168468233 is 332864861.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 117245584 + 51222649 = 10828^2 + 7157^2 .

It is a cyclic number.

It is not a de Polignac number, because 168468233 - 2²⁰ = 167419657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168468239) 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, 241010 + ... + 241707.

It is an arithmetic number, because the mean of its divisors is an integer number (42237825).

Almost surely, 2^168468233 is an apocalyptic number.

It is an amenable number.

168468233 is a deficient number, since it is larger than the sum of its proper divisors (483067).

168468233 is an equidigital number, since it uses as much as digits as its factorization.

168468233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483066.

The product of its digits is 165888, while the sum is 41.

The square root of 168468233 is about 12979.5313089495. The cubic root of 168468233 is about 552.2969864885.

The spelling of 168468233 in words is "one hundred sixty-eight million, four hundred sixty-eight thousand, two hundred thirty-three".