68358223 has 4 divisors (see below), whose sum is σ = 68537088. Its totient is φ = 68179360.

The previous prime is 68358221. The next prime is 68358233. The reversal of 68358223 is 32285386.

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 68358223 - 2¹ = 68358221 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 (68358221) 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, 88858 + ... + 89623.

It is an arithmetic number, because the mean of its divisors is an integer number (17134272).

Almost surely, 2^68358223 is an apocalyptic number.

68358223 is a deficient number, since it is larger than the sum of its proper divisors (178865).

68358223 is a wasteful number, since it uses less digits than its factorization.

68358223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178864.

The product of its digits is 69120, while the sum is 37.

The square root of 68358223 is about 8267.9031803717. The cubic root of 68358223 is about 408.8809919114.

The spelling of 68358223 in words is "sixty-eight million, three hundred fifty-eight thousand, two hundred twenty-three".