23121122230213 has 32 divisors (see below), whose sum is σ = 27363258010368. Its totient is φ = 19125293107200.

The previous prime is 23121122230177. The next prime is 23121122230237. The reversal of 23121122230213 is 31203222112132.

It is not a de Polignac number, because 23121122230213 - 2¹³ = 23121122222021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121122230253) 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, 10002306 + ... + 12094972.

It is an arithmetic number, because the mean of its divisors is an integer number (855101812824).

Almost surely, 2^{23121122230213} is an apocalyptic number.

It is an amenable number.

23121122230213 is a deficient number, since it is larger than the sum of its proper divisors (4242135780155).

23121122230213 is a wasteful number, since it uses less digits than its factorization.

23121122230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093133.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 23121122230213 its reverse (31203222112132), we get a palindrome (54324344342345).

The spelling of 23121122230213 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred thirty thousand, two hundred thirteen".