23213231303121 has 32 divisors (see below), whose sum is σ = 35176378032000. Its totient is φ = 15124836767040.

The previous prime is 23213231303111. The next prime is 23213231303137. The reversal of 23213231303121 is 12130313231232.

23213231303121 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 3 + 231 + 303 + 121 = 666.

It is not a de Polignac number, because 23213231303121 - 2¹⁹ = 23213230778833 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (23213231303111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44627571 + ... + 45144728.

It is an arithmetic number, because the mean of its divisors is an integer number (1099261813500).

Almost surely, 2^{23213231303121} is an apocalyptic number.

It is an amenable number.

23213231303121 is a deficient number, since it is larger than the sum of its proper divisors (11963146728879).

23213231303121 is a wasteful number, since it uses less digits than its factorization.

23213231303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89772526 (or 89772520 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 23213231303121 its reverse (12130313231232), we get a palindrome (35343544534353).

The spelling of 23213231303121 in words is "twenty-three trillion, two hundred thirteen billion, two hundred thirty-one million, three hundred three thousand, one hundred twenty-one".