68381823 has 8 divisors (see below), whose sum is σ = 91229488. Its totient is φ = 45561024.

The previous prime is 68381777. The next prime is 68381827. The reversal of 68381823 is 32818386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68381823 - 2⁹ = 68381311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68381827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261 + ... + 11697.

It is an arithmetic number, because the mean of its divisors is an integer number (11403686).

Almost surely, 2^68381823 is an apocalyptic number.

68381823 is a deficient number, since it is larger than the sum of its proper divisors (22847665).

68381823 is a wasteful number, since it uses less digits than its factorization.

68381823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433.

The product of its digits is 55296, while the sum is 39.

The square root of 68381823 is about 8269.3302630866. The cubic root of 68381823 is about 408.9280405361.

The spelling of 68381823 in words is "sixty-eight million, three hundred eighty-one thousand, eight hundred twenty-three".