323198183736523 has 2 divisors, whose sum is σ = 323198183736524. Its totient is φ = 323198183736522.

The previous prime is 323198183736511. The next prime is 323198183736553. The reversal of 323198183736523 is 325637381891323.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323198183736523 is a prime.

It is not a weakly prime, because it can be changed into another prime (323198183736503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161599091868261 + 161599091868262.

It is an arithmetic number, because the mean of its divisors is an integer number (161599091868262).

Almost surely, 2^{323198183736523} is an apocalyptic number.

323198183736523 is a deficient number, since it is larger than the sum of its proper divisors (1).

323198183736523 is an equidigital number, since it uses as much as digits as its factorization.

323198183736523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 64.

The spelling of 323198183736523 in words is "three hundred twenty-three trillion, one hundred ninety-eight billion, one hundred eighty-three million, seven hundred thirty-six thousand, five hundred twenty-three".