65105023 has 2 divisors, whose sum is σ = 65105024. Its totient is φ = 65105022.

The previous prime is 65104997. The next prime is 65105057. The reversal of 65105023 is 32050156.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65105023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65104985 and 65105003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65105323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32552511 + 32552512.

It is an arithmetic number, because the mean of its divisors is an integer number (32552512).

Almost surely, 2^65105023 is an apocalyptic number.

65105023 is a deficient number, since it is larger than the sum of its proper divisors (1).

65105023 is an equidigital number, since it uses as much as digits as its factorization.

65105023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 65105023 is about 8068.7683694601. The cubic root of 65105023 is about 402.2890073769.

Adding to 65105023 its reverse (32050156), we get a palindrome (97155179).

The spelling of 65105023 in words is "sixty-five million, one hundred five thousand, twenty-three".