23133335445221 has 8 divisors (see below), whose sum is σ = 23952346618080. Its totient is φ = 22315744935792.

The previous prime is 23133335445161. The next prime is 23133335445223. The reversal of 23133335445221 is 12254453333132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23133335445221 - 2³⁸ = 22858457538277 is a prime.

It is a super-2 number, since 2×23133335445221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133335445223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355132715 + ... + 355197848.

It is an arithmetic number, because the mean of its divisors is an integer number (2994043327260).

Almost surely, 2^{23133335445221} is an apocalyptic number.

It is an amenable number.

23133335445221 is a deficient number, since it is larger than the sum of its proper divisors (819011172859).

23133335445221 is a wasteful number, since it uses less digits than its factorization.

23133335445221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710331715.

The product of its digits is 777600, while the sum is 41.

Adding to 23133335445221 its reverse (12254453333132), we get a palindrome (35387788778353).

The spelling of 23133335445221 in words is "twenty-three trillion, one hundred thirty-three billion, three hundred thirty-five million, four hundred forty-five thousand, two hundred twenty-one".