23103310221 has 12 divisors (see below), whose sum is σ = 33418525660. Its totient is φ = 15380478720.

The previous prime is 23103310183. The next prime is 23103310261. The reversal of 23103310221 is 12201330132.

23103310221 is a `hidden beast` number, since 2 + 310 + 331 + 0 + 2 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12213344196 + 10889966025 = 110514^2 + 104355^2 .

It is not a de Polignac number, because 23103310221 - 2¹⁰ = 23103309197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23103310194 and 23103310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103310261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1803940 + ... + 1816701.

Almost surely, 2^23103310221 is an apocalyptic number.

It is an amenable number.

23103310221 is a deficient number, since it is larger than the sum of its proper divisors (10315215439).

23103310221 is a wasteful number, since it uses less digits than its factorization.

23103310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621356 (or 3621353 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23103310221 its reverse (12201330132), we get a palindrome (35304640353).

The spelling of 23103310221 in words is "twenty-three billion, one hundred three million, three hundred ten thousand, two hundred twenty-one".