623702201 has 4 divisors (see below), whose sum is σ = 650819712. Its totient is φ = 596584692.

The previous prime is 623702179. The next prime is 623702203. The reversal of 623702201 is 102207326.

623702201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623702201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 27117487 = 623702201 / (6 + 2 + 3 + 7 + 0 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623702203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13558721 + ... + 13558766.

It is an arithmetic number, because the mean of its divisors is an integer number (162704928).

Almost surely, 2^623702201 is an apocalyptic number.

It is an amenable number.

623702201 is a deficient number, since it is larger than the sum of its proper divisors (27117511).

623702201 is a wasteful number, since it uses less digits than its factorization.

623702201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27117510.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 623702201 is about 24974.0305317344. The cubic root of 623702201 is about 854.3957752339.

Adding to 623702201 its reverse (102207326), we get a palindrome (725909527).

The spelling of 623702201 in words is "six hundred twenty-three million, seven hundred two thousand, two hundred one".