65122273523 has 2 divisors, whose sum is σ = 65122273524. Its totient is φ = 65122273522.

The previous prime is 65122273487. The next prime is 65122273561. The reversal of 65122273523 is 32537222156.

It is an a-pointer prime, because the next prime (65122273561) can be obtained adding 65122273523 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65122273523 - 2¹⁴ = 65122257139 is a prime.

It is not a weakly prime, because it can be changed into another prime (65122273423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32561136761 + 32561136762.

It is an arithmetic number, because the mean of its divisors is an integer number (32561136762).

Almost surely, 2^65122273523 is an apocalyptic number.

65122273523 is a deficient number, since it is larger than the sum of its proper divisors (1).

65122273523 is an equidigital number, since it uses as much as digits as its factorization.

65122273523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

Adding to 65122273523 its reverse (32537222156), we get a palindrome (97659495679).

The spelling of 65122273523 in words is "sixty-five billion, one hundred twenty-two million, two hundred seventy-three thousand, five hundred twenty-three".