23030100221 has 4 divisors (see below), whose sum is σ = 23307571392. Its totient is φ = 22752629052.

The previous prime is 23030100193. The next prime is 23030100257. The reversal of 23030100221 is 12200103032.

It is a happy number.

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 23030100221 - 2¹⁴ = 23030083837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23030100196 and 23030100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030106221) 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, 138735461 + ... + 138735626.

It is an arithmetic number, because the mean of its divisors is an integer number (5826892848).

Almost surely, 2^23030100221 is an apocalyptic number.

It is an amenable number.

23030100221 is a deficient number, since it is larger than the sum of its proper divisors (277471171).

23030100221 is an equidigital number, since it uses as much as digits as its factorization.

23030100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277471170.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23030100221 its reverse (12200103032), we get a palindrome (35230203253).

The spelling of 23030100221 in words is "twenty-three billion, thirty million, one hundred thousand, two hundred twenty-one".