323510385641 has 2 divisors, whose sum is σ = 323510385642. Its totient is φ = 323510385640.

The previous prime is 323510385613. The next prime is 323510385661. The reversal of 323510385641 is 146583015323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304239393241 + 19270992400 = 551579^2 + 138820^2 .

It is an emirp because it is prime and its reverse (146583015323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323510385641 is a prime.

It is not a weakly prime, because it can be changed into another prime (323510385661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161755192820 + 161755192821.

It is an arithmetic number, because the mean of its divisors is an integer number (161755192821).

Almost surely, 2^323510385641 is an apocalyptic number.

It is an amenable number.

323510385641 is a deficient number, since it is larger than the sum of its proper divisors (1).

323510385641 is an equidigital number, since it uses as much as digits as its factorization.

323510385641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 323510385641 in words is "three hundred twenty-three billion, five hundred ten million, three hundred eighty-five thousand, six hundred forty-one".