623220201 has 6 divisors (see below), whose sum is σ = 900206970. Its totient is φ = 415480128.

The previous prime is 623220161. The next prime is 623220211. The reversal of 623220201 is 102022326.

623220201 is a `hidden beast` number, since 623 + 2 + 20 + 20 + 1 = 666.

623220201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 495507600 + 127712601 = 22260^2 + 11301^2 .

It is not a de Polignac number, because 623220201 - 2⁹ = 623219689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623220211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34623336 + ... + 34623353.

It is an arithmetic number, because the mean of its divisors is an integer number (150034495).

Almost surely, 2^623220201 is an apocalyptic number.

It is an amenable number.

623220201 is a deficient number, since it is larger than the sum of its proper divisors (276986769).

623220201 is a wasteful number, since it uses less digits than its factorization.

623220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69246695 (or 69246692 counting only the distinct ones).

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

The square root of 623220201 is about 24964.3786423776. The cubic root of 623220201 is about 854.1756248193.

Adding to 623220201 its reverse (102022326), we get a palindrome (725242527).

The spelling of 623220201 in words is "six hundred twenty-three million, two hundred twenty thousand, two hundred one".