678382623 has 12 divisors (see below), whose sum is σ = 980276128. Its totient is φ = 452075040.

The previous prime is 678382591. The next prime is 678382633. The reversal of 678382623 is 326283876.

It is not a de Polignac number, because 678382623 - 2⁵ = 678382591 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 (678382633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11283 + ... + 38523.

Almost surely, 2^678382623 is an apocalyptic number.

678382623 is a deficient number, since it is larger than the sum of its proper divisors (301893505).

678382623 is a wasteful number, since it uses less digits than its factorization.

678382623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30014 (or 30011 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 678382623 is about 26045.7793701782. The cubic root of 678382623 is about 878.6681916143.

The spelling of 678382623 in words is "six hundred seventy-eight million, three hundred eighty-two thousand, six hundred twenty-three".