623801 has 8 divisors (see below), whose sum is σ = 649440. Its totient is φ = 598752.

The previous prime is 623771. The next prime is 623803. The reversal of 623801 is 108326.

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

It is a cyclic number.

It is not a de Polignac number, because 623801 - 2¹⁰ = 622777 is a prime.

It is a Duffinian number.

623801 is a modest number, since divided by 801 gives 623 as remainder.

It is not an unprimeable number, because it can be changed into a prime (623803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3746 + ... + 3908.

It is an arithmetic number, because the mean of its divisors is an integer number (81180).

2⁶²³⁸⁰¹ is an apocalyptic number.

It is an amenable number.

623801 is a deficient number, since it is larger than the sum of its proper divisors (25639).

623801 is a wasteful number, since it uses less digits than its factorization.

623801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 623801 is about 789.8107368224. The cubic root of 623801 is about 85.4440887036. Note that the first 3 decimals are identical.

The spelling of 623801 in words is "six hundred twenty-three thousand, eight hundred one".