23003013331221 has 64 divisors (see below), whose sum is σ = 40303719659520. Its totient is φ = 11319871530240.

The previous prime is 23003013331219. The next prime is 23003013331229. The reversal of 23003013331221 is 12213331030032.

It is not a de Polignac number, because 23003013331221 - 2¹ = 23003013331219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23003013331191 and 23003013331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003013331229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32039275 + ... + 32749368.

It is an arithmetic number, because the mean of its divisors is an integer number (629745619680).

Almost surely, 2^{23003013331221} is an apocalyptic number.

23003013331221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23003013331221 is a deficient number, since it is larger than the sum of its proper divisors (17300706328299).

23003013331221 is a wasteful number, since it uses less digits than its factorization.

23003013331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64788746.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 23003013331221 its reverse (12213331030032), we get a palindrome (35216344361253).

The spelling of 23003013331221 in words is "twenty-three trillion, three billion, thirteen million, three hundred thirty-one thousand, two hundred twenty-one".