65985420048723 has 32 divisors (see below), whose sum is σ = 112052863569920. Its totient is φ = 37594067172480.

The previous prime is 65985420048721. The next prime is 65985420048731. The reversal of 65985420048723 is 32784002458956.

65985420048723 is a `hidden beast` number, since 6 + 5 + 9 + 8 + 542 + 0 + 0 + 4 + 87 + 2 + 3 = 666.

65985420048723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65985420048723 - 2¹ = 65985420048721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (65985420048721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517932163 + ... + 518059548.

It is an arithmetic number, because the mean of its divisors is an integer number (3501651986560).

Almost surely, 2^{65985420048723} is an apocalyptic number.

65985420048723 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

65985420048723 is a deficient number, since it is larger than the sum of its proper divisors (46067443521197).

65985420048723 is a wasteful number, since it uses less digits than its factorization.

65985420048723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035992064 (or 1035992058 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 65985420048723 in words is "sixty-five trillion, nine hundred eighty-five billion, four hundred twenty million, forty-eight thousand, seven hundred twenty-three".