68223128 has 16 divisors (see below), whose sum is σ = 129357000. Its totient is φ = 33727936.

The previous prime is 68223101. The next prime is 68223131. The reversal of 68223128 is 82132286.

It is a junction number, because it is equal to n+sod(n) for n = 68223094 and 68223103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47198 + ... + 48621.

Almost surely, 2^68223128 is an apocalyptic number.

It is an amenable number.

68223128 is a deficient number, since it is larger than the sum of its proper divisors (61133872).

68223128 is a wasteful number, since it uses less digits than its factorization.

68223128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95914 (or 95910 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 68223128 is about 8259.7292933849. The cubic root of 68223128 is about 408.6114598121.

The spelling of 68223128 in words is "sixty-eight million, two hundred twenty-three thousand, one hundred twenty-eight".