65051723 has 8 divisors (see below), whose sum is σ = 72305136. Its totient is φ = 58021600.

The previous prime is 65051641. The next prime is 65051731. The reversal of 65051723 is 32715056.

65051723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65051723 - 2¹⁴ = 65035339 is a prime.

It is a super-3 number, since 3×65051723³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65051023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55208 + ... + 56373.

It is an arithmetic number, because the mean of its divisors is an integer number (9038142).

Almost surely, 2^65051723 is an apocalyptic number.

65051723 is a deficient number, since it is larger than the sum of its proper divisors (7253413).

65051723 is a wasteful number, since it uses less digits than its factorization.

65051723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111645.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 65051723 is about 8065.4648347135. The cubic root of 65051723 is about 402.1791957877.

Adding to 65051723 its reverse (32715056), we get a palindrome (97766779).

It can be divided in two parts, 6505 and 1723, that added together give a palindrome (8228).

The spelling of 65051723 in words is "sixty-five million, fifty-one thousand, seven hundred twenty-three".