678233 has 4 divisors (see below), whose sum is σ = 680208. Its totient is φ = 676260.

The previous prime is 678229. The next prime is 678253. The reversal of 678233 is 332876.

678233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 678233 - 2² = 678229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 678196 and 678205.

It is not an unprimeable number, because it can be changed into a prime (678203) 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, 323 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (170052).

2⁶⁷⁸²³³ is an apocalyptic number.

It is an amenable number.

678233 is a deficient number, since it is larger than the sum of its proper divisors (1975).

678233 is a wasteful number, since it uses less digits than its factorization.

678233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its digits is 6048, while the sum is 29.

The square root of 678233 is about 823.5490270773. The cubic root of 678233 is about 87.8603587642.

The spelling of 678233 in words is "six hundred seventy-eight thousand, two hundred thirty-three".