23001103221 has 4 divisors (see below), whose sum is σ = 30668137632. Its totient is φ = 15334068812.

The previous prime is 23001103199. The next prime is 23001103247. The reversal of 23001103221 is 12230110032.

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 23001103221 - 2⁷ = 23001103093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23001103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001103721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3833517201 + ... + 3833517206.

It is an arithmetic number, because the mean of its divisors is an integer number (7667034408).

Almost surely, 2^23001103221 is an apocalyptic number.

It is an amenable number.

23001103221 is a deficient number, since it is larger than the sum of its proper divisors (7667034411).

23001103221 is an equidigital number, since it uses as much as digits as its factorization.

23001103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7667034410.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23001103221 its reverse (12230110032), we get a palindrome (35231213253).

The spelling of 23001103221 in words is "twenty-three billion, one million, one hundred three thousand, two hundred twenty-one".