23240560121243 has 4 divisors (see below), whose sum is σ = 23333151994488. Its totient is φ = 23147968248000.

The previous prime is 23240560121183. The next prime is 23240560121291. The reversal of 23240560121243 is 34212106504232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23240560121243 - 2¹² = 23240560117147 is a prime.

It is a super-2 number, since 2×23240560121243² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23240560121293) 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, 46295936246 + ... + 46295936747.

It is an arithmetic number, because the mean of its divisors is an integer number (5833287998622).

Almost surely, 2^{23240560121243} is an apocalyptic number.

23240560121243 is a deficient number, since it is larger than the sum of its proper divisors (92591873245).

23240560121243 is an equidigital number, since it uses as much as digits as its factorization.

23240560121243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92591873244.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 23240560121243 its reverse (34212106504232), we get a palindrome (57452666625475).

The spelling of 23240560121243 in words is "twenty-three trillion, two hundred forty billion, five hundred sixty million, one hundred twenty-one thousand, two hundred forty-three".