23265220012757 has 16 divisors (see below), whose sum is σ = 23491431432000. Its totient is φ = 23039985911040.

The previous prime is 23265220012733. The next prime is 23265220012817. The reversal of 23265220012757 is 75721002256232.

It is a cyclic number.

It is not a de Polignac number, because 23265220012757 - 2¹² = 23265220008661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23165220012757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163525382 + ... + 163667592.

It is an arithmetic number, because the mean of its divisors is an integer number (1468214464500).

Almost surely, 2^{23265220012757} is an apocalyptic number.

It is an amenable number.

23265220012757 is a deficient number, since it is larger than the sum of its proper divisors (226211419243).

23265220012757 is a wasteful number, since it uses less digits than its factorization.

23265220012757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145636.

The product of its (nonzero) digits is 705600, while the sum is 44.

Adding to 23265220012757 its reverse (75721002256232), we get a palindrome (98986222268989).

The spelling of 23265220012757 in words is "twenty-three trillion, two hundred sixty-five billion, two hundred twenty million, twelve thousand, seven hundred fifty-seven".