65845423 has 6 divisors (see below), whose sum is σ = 75276456. Its totient is φ = 56420532.

The previous prime is 65845421. The next prime is 65845453. The reversal of 65845423 is 32454856.

It is not a de Polignac number, because 65845423 - 2¹ = 65845421 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 (65845421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19936 + ... + 23002.

It is an arithmetic number, because the mean of its divisors is an integer number (12546076).

Almost surely, 2^65845423 is an apocalyptic number.

65845423 is a deficient number, since it is larger than the sum of its proper divisors (9431033).

65845423 is an frugal number, since it uses more digits than its factorization.

65845423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141 (or 3074 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 65845423 is about 8114.5192710351. The cubic root of 65845423 is about 403.8082590930.

The spelling of 65845423 in words is "sixty-five million, eight hundred forty-five thousand, four hundred twenty-three".