23121102133 has 8 divisors (see below), whose sum is σ = 23516084160. Its totient is φ = 22726223520.

The previous prime is 23121102119. The next prime is 23121102139. The reversal of 23121102133 is 33120112132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23121102133 - 2⁵ = 23121102101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23121102133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121102139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524016 + ... + 566422.

It is an arithmetic number, because the mean of its divisors is an integer number (2939510520).

Almost surely, 2^23121102133 is an apocalyptic number.

It is an amenable number.

23121102133 is a deficient number, since it is larger than the sum of its proper divisors (394982027).

23121102133 is an equidigital number, since it uses as much as digits as its factorization.

23121102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51707.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23121102133 its reverse (33120112132), we get a palindrome (56241214265).

Subtracting 23121102133 from its reverse (33120112132), we obtain a palindrome (9999009999).

The spelling of 23121102133 in words is "twenty-three billion, one hundred twenty-one million, one hundred two thousand, one hundred thirty-three".