65765435023 has 2 divisors, whose sum is σ = 65765435024. Its totient is φ = 65765435022.

The previous prime is 65765434981. The next prime is 65765435033. The reversal of 65765435023 is 32053456756.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65765435023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65765435033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32882717511 + 32882717512.

It is an arithmetic number, because the mean of its divisors is an integer number (32882717512).

Almost surely, 2^65765435023 is an apocalyptic number.

65765435023 is a deficient number, since it is larger than the sum of its proper divisors (1).

65765435023 is an equidigital number, since it uses as much as digits as its factorization.

65765435023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 46.

The spelling of 65765435023 in words is "sixty-five billion, seven hundred sixty-five million, four hundred thirty-five thousand, twenty-three".