4201623 has 12 divisors (see below), whose sum is σ = 6126120. Its totient is φ = 2774736.

The previous prime is 4201621. The next prime is 4201633. The reversal of 4201623 is 3261024.

It is a happy number.

4201623 is a `hidden beast` number, since 42 + 0 + 1 + 623 = 666.

It is not a de Polignac number, because 4201623 - 2¹ = 4201621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4201596 and 4201605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201621) 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, 1161 + ... + 3122.

It is an arithmetic number, because the mean of its divisors is an integer number (510510).

Almost surely, 2^4201623 is an apocalyptic number.

4201623 is a deficient number, since it is larger than the sum of its proper divisors (1924497).

4201623 is a wasteful number, since it uses less digits than its factorization.

4201623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398 (or 4395 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4201623 is about 2049.7860864002. The cubic root of 4201623 is about 161.3636444236.

Adding to 4201623 its reverse (3261024), we get a palindrome (7462647).

The spelling of 4201623 in words is "four million, two hundred one thousand, six hundred twenty-three".