323611620617 has 2 divisors, whose sum is σ = 323611620618. Its totient is φ = 323611620616.

The previous prime is 323611620599. The next prime is 323611620623. The reversal of 323611620617 is 716026116323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299082109456 + 24529511161 = 546884^2 + 156619^2 .

It is a cyclic number.

It is not a de Polignac number, because 323611620617 - 2¹⁴ = 323611604233 is a prime.

It is a super-2 number, since 2×323611620617² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323611620817) 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, 161805810308 + 161805810309.

It is an arithmetic number, because the mean of its divisors is an integer number (161805810309).

Almost surely, 2^323611620617 is an apocalyptic number.

It is an amenable number.

323611620617 is a deficient number, since it is larger than the sum of its proper divisors (1).

323611620617 is an equidigital number, since it uses as much as digits as its factorization.

323611620617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 323611620617 in words is "three hundred twenty-three billion, six hundred eleven million, six hundred twenty thousand, six hundred seventeen".