23103010221 has 4 divisors (see below), whose sum is σ = 30804013632. Its totient is φ = 15402006812.

The previous prime is 23103010163. The next prime is 23103010241. The reversal of 23103010221 is 12201030132.

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 23103010221 - 2⁷ = 23103010093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23103010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103010241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3850501701 + ... + 3850501706.

It is an arithmetic number, because the mean of its divisors is an integer number (7701003408).

Almost surely, 2^23103010221 is an apocalyptic number.

It is an amenable number.

23103010221 is a deficient number, since it is larger than the sum of its proper divisors (7701003411).

23103010221 is an equidigital number, since it uses as much as digits as its factorization.

23103010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701003410.

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

Adding to 23103010221 its reverse (12201030132), we get a palindrome (35304040353).

The spelling of 23103010221 in words is "twenty-three billion, one hundred three million, ten thousand, two hundred twenty-one".