623201 has 4 divisors (see below), whose sum is σ = 631812. Its totient is φ = 614592.

The previous prime is 623171. The next prime is 623209. The reversal of 623201 is 102326.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 462400 + 160801 = 680^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 623201 - 2¹⁰ = 622177 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623201.

It is not an unprimeable number, because it can be changed into a prime (623209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4196 + ... + 4341.

It is an arithmetic number, because the mean of its divisors is an integer number (157953).

2⁶²³²⁰¹ is an apocalyptic number.

It is an amenable number.

623201 is a deficient number, since it is larger than the sum of its proper divisors (8611).

623201 is an equidigital number, since it uses as much as digits as its factorization.

623201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 623201 is about 789.4308076076. The cubic root of 623201 is about 85.4166852535.

Adding to 623201 its reverse (102326), we get a palindrome (725527).

The spelling of 623201 in words is "six hundred twenty-three thousand, two hundred one".