323228133857 has 2 divisors, whose sum is σ = 323228133858. Its totient is φ = 323228133856.

The previous prime is 323228133847. The next prime is 323228133859. The reversal of 323228133857 is 758331822323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286713127936 + 36515005921 = 535456^2 + 191089^2 .

It is a cyclic number.

It is not a de Polignac number, because 323228133857 - 2¹⁰ = 323228132833 is a prime.

Together with 323228133859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (323228133859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161614066928 + 161614066929.

It is an arithmetic number, because the mean of its divisors is an integer number (161614066929).

Almost surely, 2^323228133857 is an apocalyptic number.

It is an amenable number.

323228133857 is a deficient number, since it is larger than the sum of its proper divisors (1).

323228133857 is an equidigital number, since it uses as much as digits as its factorization.

323228133857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 47.

The spelling of 323228133857 in words is "three hundred twenty-three billion, two hundred twenty-eight million, one hundred thirty-three thousand, eight hundred fifty-seven".