23303133033221 has 4 divisors (see below), whose sum is σ = 24529613719200. Its totient is φ = 22076652347244.

The previous prime is 23303133033113. The next prime is 23303133033233. The reversal of 23303133033221 is 12233033130332.

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 23303133033221 - 2³⁰ = 23302059291397 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 (23303133033281) 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, 613240342961 + ... + 613240342998.

It is an arithmetic number, because the mean of its divisors is an integer number (6132403429800).

Almost surely, 2^{23303133033221} is an apocalyptic number.

It is an amenable number.

23303133033221 is a deficient number, since it is larger than the sum of its proper divisors (1226480685979).

23303133033221 is a wasteful number, since it uses less digits than its factorization.

23303133033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226480685978.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 23303133033221 its reverse (12233033130332), we get a palindrome (35536166163553).

The spelling of 23303133033221 in words is "twenty-three trillion, three hundred three billion, one hundred thirty-three million, thirty-three thousand, two hundred twenty-one".