802423439 has 2 divisors, whose sum is σ = 802423440. Its totient is φ = 802423438.

The previous prime is 802423421. The next prime is 802423481. The reversal of 802423439 is 934324208.

It is a happy number.

802423439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802423439 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 802423399 and 802423408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202423439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401211719 + 401211720.

It is an arithmetic number, because the mean of its divisors is an integer number (401211720).

Almost surely, 2^802423439 is an apocalyptic number.

802423439 is a deficient number, since it is larger than the sum of its proper divisors (1).

802423439 is an equidigital number, since it uses as much as digits as its factorization.

802423439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 802423439 is about 28327.0796059177. The cubic root of 802423439 is about 929.2542057238.

The spelling of 802423439 in words is "eight hundred two million, four hundred twenty-three thousand, four hundred thirty-nine".