68148723 has 8 divisors (see below), whose sum is σ = 90923968. Its totient is φ = 45402984.

The previous prime is 68148721. The next prime is 68148737. The reversal of 68148723 is 32784186.

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

It is not a de Polignac number, because 68148723 - 2¹ = 68148721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68148721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (11365496).

Almost surely, 2^68148723 is an apocalyptic number.

68148723 is a deficient number, since it is larger than the sum of its proper divisors (22775245).

68148723 is a wasteful number, since it uses less digits than its factorization.

68148723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14753.

The product of its digits is 64512, while the sum is 39.

The square root of 68148723 is about 8255.2239824247. The cubic root of 68148723 is about 408.4628601812.

The spelling of 68148723 in words is "sixty-eight million, one hundred forty-eight thousand, seven hundred twenty-three".