23121233313 has 16 divisors (see below), whose sum is σ = 30972352320. Its totient is φ = 15342185984.

The previous prime is 23121233237. The next prime is 23121233321. The reversal of 23121233313 is 31333212132.

It is a cyclic number.

It is not a de Polignac number, because 23121233313 - 2¹⁶ = 23121167777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23121233383) 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, 2637145 + ... + 2645897.

It is an arithmetic number, because the mean of its divisors is an integer number (1935772020).

Almost surely, 2^23121233313 is an apocalyptic number.

It is an amenable number.

23121233313 is a deficient number, since it is larger than the sum of its proper divisors (7851119007).

23121233313 is a wasteful number, since it uses less digits than its factorization.

23121233313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12768.

The product of its digits is 1944, while the sum is 24.

Adding to 23121233313 its reverse (31333212132), we get a palindrome (54454445445).

The spelling of 23121233313 in words is "twenty-three billion, one hundred twenty-one million, two hundred thirty-three thousand, three hundred thirteen".