685333423 has 6 divisors (see below), whose sum is σ = 709781384. Its totient is φ = 661700424.

The previous prime is 685333391. The next prime is 685333433. The reversal of 685333423 is 324333586.

It is not a de Polignac number, because 685333423 - 2⁵ = 685333391 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 (685333433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 406611 + ... + 408292.

Almost surely, 2^685333423 is an apocalyptic number.

685333423 is a deficient number, since it is larger than the sum of its proper divisors (24447961).

685333423 is an equidigital number, since it uses as much as digits as its factorization.

685333423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814961 (or 814932 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 685333423 is about 26178.8736006727. The cubic root of 685333423 is about 881.6589843961.

The spelling of 685333423 in words is "six hundred eighty-five million, three hundred thirty-three thousand, four hundred twenty-three".