23043780941065 has 8 divisors (see below), whose sum is σ = 29279156960520. Its totient is φ = 17350611532032.

The previous prime is 23043780941059. The next prime is 23043780941081. The reversal of 23043780941065 is 56014908734032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5301354286089 + 17742426654976 = 2302467^2 + 4212176^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23043780941065 - 2¹³ = 23043780932873 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135551652510 + ... + 135551652679.

It is an arithmetic number, because the mean of its divisors is an integer number (3659894620065).

It is a 1-persistent number, because it is pandigital, but 2⋅23043780941065 = 46087561882130 is not.

Almost surely, 2^{23043780941065} is an apocalyptic number.

It is an amenable number.

23043780941065 is a deficient number, since it is larger than the sum of its proper divisors (6235376019455).

23043780941065 is a wasteful number, since it uses less digits than its factorization.

23043780941065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271103305211.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 23043780941065 in words is "twenty-three trillion, forty-three billion, seven hundred eighty million, nine hundred forty-one thousand, sixty-five".