23233220211321 has 12 divisors (see below), whose sum is σ = 33567663462372. Its totient is φ = 15484859196576.

The previous prime is 23233220211287. The next prime is 23233220211353. The reversal of 23233220211321 is 12311202233232.

23233220211321 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 322 + 0 + 2 + 11 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19907480768400 + 3325739442921 = 4461780^2 + 1823661^2 .

It is not a de Polignac number, because 23233220211321 - 2¹⁴ = 23233220194937 is a prime.

It is a super-2 number, since 2×23233220211321² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23233220215321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329485926 + ... + 329556431.

It is an arithmetic number, because the mean of its divisors is an integer number (2797305288531).

Almost surely, 2^{23233220211321} is an apocalyptic number.

It is an amenable number.

23233220211321 is a deficient number, since it is larger than the sum of its proper divisors (10334443251051).

23233220211321 is a wasteful number, since it uses less digits than its factorization.

23233220211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659046280 (or 659046277 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 23233220211321 its reverse (12311202233232), we get a palindrome (35544422444553).

The spelling of 23233220211321 in words is "twenty-three trillion, two hundred thirty-three billion, two hundred twenty million, two hundred eleven thousand, three hundred twenty-one".