103223655521 has 4 divisors (see below), whose sum is σ = 117969892032. Its totient is φ = 88477419012.

The previous prime is 103223655433. The next prime is 103223655533. The reversal of 103223655521 is 125556322301.

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 not a de Polignac number, because 103223655521 - 2¹⁰ = 103223654497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103223655551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7373118245 + ... + 7373118258.

It is an arithmetic number, because the mean of its divisors is an integer number (29492473008).

Almost surely, 2^103223655521 is an apocalyptic number.

It is an amenable number.

103223655521 is a deficient number, since it is larger than the sum of its proper divisors (14746236511).

103223655521 is an equidigital number, since it uses as much as digits as its factorization.

103223655521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746236510.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 103223655521 its reverse (125556322301), we get a palindrome (228779977822).

The spelling of 103223655521 in words is "one hundred three billion, two hundred twenty-three million, six hundred fifty-five thousand, five hundred twenty-one".