23121544105241 has 4 divisors (see below), whose sum is σ = 23155397025552. Its totient is φ = 23087691184932.

The previous prime is 23121544105171. The next prime is 23121544105267. The reversal of 23121544105241 is 14250144512132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23121544105241 - 2³⁸ = 22846666198297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121544105841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16926459131 + ... + 16926460496.

It is an arithmetic number, because the mean of its divisors is an integer number (5788849256388).

Almost surely, 2^{23121544105241} is an apocalyptic number.

It is an amenable number.

23121544105241 is a deficient number, since it is larger than the sum of its proper divisors (33852920311).

23121544105241 is an equidigital number, since it uses as much as digits as its factorization.

23121544105241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33852920310.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 23121544105241 its reverse (14250144512132), we get a palindrome (37371688617373).

The spelling of 23121544105241 in words is "twenty-three trillion, one hundred twenty-one billion, five hundred forty-four million, one hundred five thousand, two hundred forty-one".