623704085 has 8 divisors (see below), whose sum is σ = 752927616. Its totient is φ = 495974800.

The previous prime is 623704069. The next prime is 623704129. The reversal of 623704085 is 580407326.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 623704085 - 2⁴ = 623704069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372641 + ... + 374310.

It is an arithmetic number, because the mean of its divisors is an integer number (94115952).

Almost surely, 2^623704085 is an apocalyptic number.

It is an amenable number.

623704085 is a deficient number, since it is larger than the sum of its proper divisors (129223531).

623704085 is a wasteful number, since it uses less digits than its factorization.

623704085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747123.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 623704085 is about 24974.0682508878. The cubic root of 623704085 is about 854.3966355162.

The spelling of 623704085 in words is "six hundred twenty-three million, seven hundred four thousand, eighty-five".