23540401652065 has 64 divisors (see below), whose sum is σ = 30281823516672. Its totient is φ = 17505287654400.

The previous prime is 23540401652017. The next prime is 23540401652083. The reversal of 23540401652065 is 56025610404532.

It is not a de Polignac number, because 23540401652065 - 2⁹ = 23540401651553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6592101730 + ... + 6592105300.

It is an arithmetic number, because the mean of its divisors is an integer number (473153492448).

Almost surely, 2^{23540401652065} is an apocalyptic number.

It is an amenable number.

23540401652065 is a deficient number, since it is larger than the sum of its proper divisors (6741421864607).

23540401652065 is a wasteful number, since it uses less digits than its factorization.

23540401652065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 23540401652065 in words is "twenty-three trillion, five hundred forty billion, four hundred one million, six hundred fifty-two thousand, sixty-five".