65315923 has 2 divisors, whose sum is σ = 65315924. Its totient is φ = 65315922.

The previous prime is 65315897. The next prime is 65315951. The reversal of 65315923 is 32951356.

It is a happy number.

65315923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65315923 is a prime.

It is a super-3 number, since 3×65315923³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (65315963) 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 as a sum of consecutive naturals, namely, 32657961 + 32657962.

It is an arithmetic number, because the mean of its divisors is an integer number (32657962).

Almost surely, 2^65315923 is an apocalyptic number.

65315923 is a deficient number, since it is larger than the sum of its proper divisors (1).

65315923 is an equidigital number, since it uses as much as digits as its factorization.

65315923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 34.

The square root of 65315923 is about 8081.8267118270. The cubic root of 65315923 is about 402.7229283433.

The spelling of 65315923 in words is "sixty-five million, three hundred fifteen thousand, nine hundred twenty-three".