65200542723 has 6 divisors (see below), whose sum is σ = 94178561724. Its totient is φ = 43467028476.

The previous prime is 65200542679. The next prime is 65200542739. The reversal of 65200542723 is 32724500256.

65200542723 is a `hidden beast` number, since 6 + 5 + 200 + 5 + 427 + 23 = 666.

It is not a de Polignac number, because 65200542723 - 2¹⁷ = 65200411651 is a prime.

It is a super-2 number, since 2×65200542723² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65200542773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3622252365 + ... + 3622252382.

It is an arithmetic number, because the mean of its divisors is an integer number (15696426954).

Almost surely, 2^65200542723 is an apocalyptic number.

65200542723 is a deficient number, since it is larger than the sum of its proper divisors (28978019001).

65200542723 is a wasteful number, since it uses less digits than its factorization.

65200542723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244504753 (or 7244504750 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 65200542723 in words is "sixty-five billion, two hundred million, five hundred forty-two thousand, seven hundred twenty-three".