23121261713 has 16 divisors (see below), whose sum is σ = 25734174336. Its totient is φ = 20594595840.

The previous prime is 23121261701. The next prime is 23121261719. The reversal of 23121261713 is 31716212132.

It is not a de Polignac number, because 23121261713 - 2⁶ = 23121261649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121261719) 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, 406481 + ... + 459857.

It is an arithmetic number, because the mean of its divisors is an integer number (1608385896).

Almost surely, 2^23121261713 is an apocalyptic number.

It is an amenable number.

23121261713 is a deficient number, since it is larger than the sum of its proper divisors (2612912623).

23121261713 is a wasteful number, since it uses less digits than its factorization.

23121261713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54184.

The product of its digits is 3024, while the sum is 29.

Adding to 23121261713 its reverse (31716212132), we get a palindrome (54837473845).

The spelling of 23121261713 in words is "twenty-three billion, one hundred twenty-one million, two hundred sixty-one thousand, seven hundred thirteen".