65841023 has 4 divisors (see below), whose sum is σ = 69306360. Its totient is φ = 62375688.

The previous prime is 65841001. The next prime is 65841029. The reversal of 65841023 is 32014856.

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

It is a cyclic number.

It is not a de Polignac number, because 65841023 - 2⁸ = 65840767 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 (65841029) 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, 1732640 + ... + 1732677.

It is an arithmetic number, because the mean of its divisors is an integer number (17326590).

Almost surely, 2^65841023 is an apocalyptic number.

65841023 is a deficient number, since it is larger than the sum of its proper divisors (3465337).

65841023 is a wasteful number, since it uses less digits than its factorization.

65841023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465336.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 65841023 is about 8114.2481475489. The cubic root of 65841023 is about 403.7992643098.

Adding to 65841023 its reverse (32014856), we get a palindrome (97855879).

The spelling of 65841023 in words is "sixty-five million, eight hundred forty-one thousand, twenty-three".