23500623065065 has 4 divisors (see below), whose sum is σ = 28200747678084. Its totient is φ = 18800498452048.

The previous prime is 23500623065053. The next prime is 23500623065137. The reversal of 23500623065065 is 56056032600532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13806790631001 + 9693832434064 = 3715749^2 + 3113492^2 .

It is a cyclic number.

It is not a de Polignac number, because 23500623065065 - 2¹³ = 23500623056873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350062306502 + ... + 2350062306511.

It is an arithmetic number, because the mean of its divisors is an integer number (7050186919521).

Almost surely, 2^{23500623065065} is an apocalyptic number.

It is an amenable number.

23500623065065 is a deficient number, since it is larger than the sum of its proper divisors (4700124613019).

23500623065065 is an equidigital number, since it uses as much as digits as its factorization.

23500623065065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700124613018.

The product of its (nonzero) digits is 972000, while the sum is 43.

Adding to 23500623065065 its reverse (56056032600532), we get a palindrome (79556655665597).

The spelling of 23500623065065 in words is "twenty-three trillion, five hundred billion, six hundred twenty-three million, sixty-five thousand, sixty-five".