65864332389923 has 2 divisors, whose sum is σ = 65864332389924. Its totient is φ = 65864332389922.

The previous prime is 65864332389893. The next prime is 65864332389937. The reversal of 65864332389923 is 32998323346856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65864332389923 - 2¹² = 65864332385827 is a prime.

It is a super-2 number, since 2×65864332389923² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65864332382923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32932166194961 + 32932166194962.

It is an arithmetic number, because the mean of its divisors is an integer number (32932166194962).

Almost surely, 2^{65864332389923} is an apocalyptic number.

65864332389923 is a deficient number, since it is larger than the sum of its proper divisors (1).

65864332389923 is an equidigital number, since it uses as much as digits as its factorization.

65864332389923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209323520, while the sum is 71.

The spelling of 65864332389923 in words is "sixty-five trillion, eight hundred sixty-four billion, three hundred thirty-two million, three hundred eighty-nine thousand, nine hundred twenty-three".