23032030221 has 12 divisors (see below), whose sum is σ = 33280608348. Its totient is φ = 15349092864.

The previous prime is 23032030213. The next prime is 23032030247. The reversal of 23032030221 is 12203023032.

It is a happy number.

23032030221 is a `hidden beast` number, since 23 + 0 + 320 + 302 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20063306025 + 2968724196 = 141645^2 + 54486^2 .

It is not a de Polignac number, because 23032030221 - 2³ = 23032030213 is a prime.

It is a super-2 number, since 2×23032030221² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23032030194 and 23032030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032030271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440010 + ... + 489563.

It is an arithmetic number, because the mean of its divisors is an integer number (2773384029).

Almost surely, 2^23032030221 is an apocalyptic number.

It is an amenable number.

23032030221 is a deficient number, since it is larger than the sum of its proper divisors (10248578127).

23032030221 is a wasteful number, since it uses less digits than its factorization.

23032030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932332 (or 932329 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23032030221 its reverse (12203023032), we get a palindrome (35235053253).

The spelling of 23032030221 in words is "twenty-three billion, thirty-two million, thirty thousand, two hundred twenty-one".