65389723 has 8 divisors (see below), whose sum is σ = 75471840. Its totient is φ = 55492800.

The previous prime is 65389717. The next prime is 65389729. The reversal of 65389723 is 32798356.

It is an interprime number because it is at equal distance from previous prime (65389717) and next prime (65389729).

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 65389723 - 2⁵ = 65389691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65389723.

It is not an unprimeable number, because it can be changed into a prime (65389729) 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, 45538 + ... + 46951.

It is an arithmetic number, because the mean of its divisors is an integer number (9433980).

Almost surely, 2^65389723 is an apocalyptic number.

65389723 is a deficient number, since it is larger than the sum of its proper divisors (10082117).

65389723 is a wasteful number, since it uses less digits than its factorization.

65389723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92597.

The product of its digits is 272160, while the sum is 43.

The square root of 65389723 is about 8086.3912222944. The cubic root of 65389723 is about 402.8745491831.

It can be divided in two parts, 6538 and 9723, that added together give a palindrome (16261).

The spelling of 65389723 in words is "sixty-five million, three hundred eighty-nine thousand, seven hundred twenty-three".