789623 has 2 divisors, whose sum is σ = 789624. Its totient is φ = 789622.

The previous prime is 789611. The next prime is 789631. The reversal of 789623 is 326987.

789623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 789623 - 2⁸ = 789367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (789653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394811 + 394812.

It is an arithmetic number, because the mean of its divisors is an integer number (394812).

2⁷⁸⁹⁶²³ is an apocalyptic number.

789623 is a deficient number, since it is larger than the sum of its proper divisors (1).

789623 is an equidigital number, since it uses as much as digits as its factorization.

789623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 789623 is about 888.6073373544. The cubic root of 789623 is about 92.4286471896.

The spelling of 789623 in words is "seven hundred eighty-nine thousand, six hundred twenty-three".