68031223 has 4 divisors (see below), whose sum is σ = 73264408. Its totient is φ = 62798040.

The previous prime is 68031221. The next prime is 68031239. The reversal of 68031223 is 32213086.

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

It is a cyclic number.

It is not a de Polignac number, because 68031223 - 2¹ = 68031221 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 (68031221) 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, 2616573 + ... + 2616598.

It is an arithmetic number, because the mean of its divisors is an integer number (18316102).

Almost surely, 2^68031223 is an apocalyptic number.

68031223 is a deficient number, since it is larger than the sum of its proper divisors (5233185).

68031223 is a wasteful number, since it uses less digits than its factorization.

68031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233184.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 68031223 is about 8248.1042064222. The cubic root of 68031223 is about 408.2279719647.

The spelling of 68031223 in words is "sixty-eight million, thirty-one thousand, two hundred twenty-three".