103223646621 has 32 divisors (see below), whose sum is σ = 162001411200. Its totient is φ = 64734992640.

The previous prime is 103223646593. The next prime is 103223646637. The reversal of 103223646621 is 126646322301.

103223646621 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 2 + 3 + 646 + 6 + 2 + 1 = 666.

It is not a de Polignac number, because 103223646621 - 2¹⁹ = 103223122333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103223646641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 867135 + ... + 978963.

It is an arithmetic number, because the mean of its divisors is an integer number (5062544100).

Almost surely, 2^103223646621 is an apocalyptic number.

It is an amenable number.

103223646621 is a deficient number, since it is larger than the sum of its proper divisors (58777764579).

103223646621 is a wasteful number, since it uses less digits than its factorization.

103223646621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113866 (or 113860 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 103223646621 its reverse (126646322301), we get a palindrome (229869968922).

The spelling of 103223646621 in words is "one hundred three billion, two hundred twenty-three million, six hundred forty-six thousand, six hundred twenty-one".