23333023021221 has 16 divisors (see below), whose sum is σ = 34568784499200. Its totient is φ = 15554744337024.

The previous prime is 23333023021211. The next prime is 23333023021241. The reversal of 23333023021221 is 12212032033332.

23333023021221 is a `hidden beast` number, since 2 + 3 + 3 + 330 + 2 + 302 + 1 + 2 + 21 = 666.

It is not a de Polignac number, because 23333023021221 - 2⁹ = 23333023020709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23333023021211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16078956 + ... + 17469941.

It is an arithmetic number, because the mean of its divisors is an integer number (2160549031200).

Almost surely, 2^{23333023021221} is an apocalyptic number.

It is an amenable number.

23333023021221 is a deficient number, since it is larger than the sum of its proper divisors (11235761477979).

23333023021221 is a wasteful number, since it uses less digits than its factorization.

23333023021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33574665 (or 33574659 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 23333023021221 its reverse (12212032033332), we get a palindrome (35545055054553).

The spelling of 23333023021221 in words is "twenty-three trillion, three hundred thirty-three billion, twenty-three million, twenty-one thousand, two hundred twenty-one".