23003232032221 has 24 divisors (see below), whose sum is σ = 27930375323136. Its totient is φ = 18554860473600.

The previous prime is 23003232032213. The next prime is 23003232032239. The reversal of 23003232032221 is 12223023230032.

It is not a de Polignac number, because 23003232032221 - 2³ = 23003232032213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003232032321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15213396 + ... + 16656946.

It is an arithmetic number, because the mean of its divisors is an integer number (1163765638464).

Almost surely, 2^{23003232032221} is an apocalyptic number.

It is an amenable number.

23003232032221 is a deficient number, since it is larger than the sum of its proper divisors (4927143290915).

23003232032221 is a wasteful number, since it uses less digits than its factorization.

23003232032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451469 (or 1451452 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 23003232032221 its reverse (12223023230032), we get a palindrome (35226255262253).

The spelling of 23003232032221 in words is "twenty-three trillion, three billion, two hundred thirty-two million, thirty-two thousand, two hundred twenty-one".