65265056023 has 4 divisors (see below), whose sum is σ = 65266458840. Its totient is φ = 65263653208.

The previous prime is 65265056009. The next prime is 65265056029. The reversal of 65265056023 is 32065056256.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65265056023 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 (65265056029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 629140 + ... + 725497.

It is an arithmetic number, because the mean of its divisors is an integer number (16316614710).

Almost surely, 2^65265056023 is an apocalyptic number.

65265056023 is a deficient number, since it is larger than the sum of its proper divisors (1402817).

65265056023 is a wasteful number, since it uses less digits than its factorization.

65265056023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402816.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 65265056023 in words is "sixty-five billion, two hundred sixty-five million, fifty-six thousand, twenty-three".