65001823 has 8 divisors (see below), whose sum is σ = 67717760. Its totient is φ = 62324640.

The previous prime is 65001791. The next prime is 65001857. The reversal of 65001823 is 32810056.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65001823 - 2⁵ = 65001791 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 (65005823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6240 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (8464720).

Almost surely, 2^65001823 is an apocalyptic number.

65001823 is a deficient number, since it is larger than the sum of its proper divisors (2715937).

65001823 is a wasteful number, since it uses less digits than its factorization.

65001823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19377.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 65001823 is about 8062.3708051664. The cubic root of 65001823 is about 402.0763346869.

Adding to 65001823 its reverse (32810056), we get a palindrome (97811879).

The spelling of 65001823 in words is "sixty-five million, one thousand, eight hundred twenty-three".