65743223 has 32 divisors (see below), whose sum is σ = 85542912. Its totient is φ = 49104000.

The previous prime is 65743189. The next prime is 65743243. The reversal of 65743223 is 32234756.

It is a cyclic number.

It is not a de Polignac number, because 65743223 - 2¹⁰ = 65742199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65743223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65743243) 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 31 ways as a sum of consecutive naturals, for example, 211238 + ... + 211548.

It is an arithmetic number, because the mean of its divisors is an integer number (2673216).

Almost surely, 2^65743223 is an apocalyptic number.

65743223 is a deficient number, since it is larger than the sum of its proper divisors (19799689).

65743223 is a wasteful number, since it uses less digits than its factorization.

65743223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

The product of its digits is 30240, while the sum is 32.

The square root of 65743223 is about 8108.2194716226. The cubic root of 65743223 is about 403.5992312811.

Adding to 65743223 its reverse (32234756), we get a palindrome (97977979).

The spelling of 65743223 in words is "sixty-five million, seven hundred forty-three thousand, two hundred twenty-three".