65100009011623 has 2 divisors, whose sum is σ = 65100009011624. Its totient is φ = 65100009011622.

The previous prime is 65100009011603. The next prime is 65100009011689. The reversal of 65100009011623 is 32611090000156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65100009011623 - 2²¹ = 65100006914471 is a prime.

It is a super-2 number, since 2×65100009011623² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65100009011603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32550004505811 + 32550004505812.

It is an arithmetic number, because the mean of its divisors is an integer number (32550004505812).

Almost surely, 2^{65100009011623} is an apocalyptic number.

65100009011623 is a deficient number, since it is larger than the sum of its proper divisors (1).

65100009011623 is an equidigital number, since it uses as much as digits as its factorization.

65100009011623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

Adding to 65100009011623 its reverse (32611090000156), we get a palindrome (97711099011779).

The spelling of 65100009011623 in words is "sixty-five trillion, one hundred billion, nine million, eleven thousand, six hundred twenty-three".