65147023 has 2 divisors, whose sum is σ = 65147024. Its totient is φ = 65147022.

The previous prime is 65146999. The next prime is 65147039. The reversal of 65147023 is 32074156.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65147023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65146982 and 65147000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65147053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32573511 + 32573512.

It is an arithmetic number, because the mean of its divisors is an integer number (32573512).

Almost surely, 2^65147023 is an apocalyptic number.

65147023 is a deficient number, since it is larger than the sum of its proper divisors (1).

65147023 is an equidigital number, since it uses as much as digits as its factorization.

65147023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 65147023 is about 8071.3705775413. The cubic root of 65147023 is about 402.3754958716.

It can be divided in two parts, 651 and 47023, that added together give a palindrome (47674).

The spelling of 65147023 in words is "sixty-five million, one hundred forty-seven thousand, twenty-three".