623601 has 12 divisors (see below), whose sum is σ = 982800. Its totient is φ = 377880.

The previous prime is 623591. The next prime is 623617. The reversal of 623601 is 106326.

It is a happy number.

623601 is a `hidden beast` number, since 62 + 3 + 601 = 666.

623601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623601 - 2⁶ = 623537 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (623621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3051 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2⁶²³⁶⁰¹ is an apocalyptic number.

It is an amenable number.

623601 is a deficient number, since it is larger than the sum of its proper divisors (359199).

623601 is a wasteful number, since it uses less digits than its factorization.

623601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316 (or 6313 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 623601 is about 789.6841140608. The cubic root of 623601 is about 85.4349561734.

Adding to 623601 its reverse (106326), we get a palindrome (729927).

It can be divided in two parts, 62 and 3601, that added together give a palindrome (3663).

The spelling of 623601 in words is "six hundred twenty-three thousand, six hundred one".