323638226797 has 2 divisors, whose sum is σ = 323638226798. Its totient is φ = 323638226796.

The previous prime is 323638226783. The next prime is 323638226827. The reversal of 323638226797 is 797622836323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168995810281 + 154642416516 = 411091^2 + 393246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323638226797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323638227797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161819113398 + 161819113399.

It is an arithmetic number, because the mean of its divisors is an integer number (161819113399).

Almost surely, 2^323638226797 is an apocalyptic number.

It is an amenable number.

323638226797 is a deficient number, since it is larger than the sum of its proper divisors (1).

323638226797 is an equidigital number, since it uses as much as digits as its factorization.

323638226797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 58.

The spelling of 323638226797 in words is "three hundred twenty-three billion, six hundred thirty-eight million, two hundred twenty-six thousand, seven hundred ninety-seven".