68871323 has 4 divisors (see below), whose sum is σ = 69503280. Its totient is φ = 68239368.

The previous prime is 68871307. The next prime is 68871373. The reversal of 68871323 is 32317886.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32317886 = 2 ⋅16158943.

It is a cyclic number.

It is not a de Polignac number, because 68871323 - 2⁴ = 68871307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68871373) 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 in 3 ways as a sum of consecutive naturals, for example, 315815 + ... + 316032.

It is an arithmetic number, because the mean of its divisors is an integer number (17375820).

Almost surely, 2^68871323 is an apocalyptic number.

68871323 is a deficient number, since it is larger than the sum of its proper divisors (631957).

68871323 is a wasteful number, since it uses less digits than its factorization.

68871323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631956.

The product of its digits is 48384, while the sum is 38.

The square root of 68871323 is about 8298.8748032489. The cubic root of 68871323 is about 409.9014694820.

The spelling of 68871323 in words is "sixty-eight million, eight hundred seventy-one thousand, three hundred twenty-three".