323212209121091 has 2 divisors, whose sum is σ = 323212209121092. Its totient is φ = 323212209121090.

The previous prime is 323212209121019. The next prime is 323212209121103. The reversal of 323212209121091 is 190121902212323.

Together with previous prime (323212209121019) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212209121091 is a prime.

It is a super-2 number, since 2×323212209121091² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323212209121001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606104560545 + 161606104560546.

It is an arithmetic number, because the mean of its divisors is an integer number (161606104560546).

Almost surely, 2^{323212209121091} is an apocalyptic number.

323212209121091 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212209121091 is an equidigital number, since it uses as much as digits as its factorization.

323212209121091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 323212209121091 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred nine million, one hundred twenty-one thousand, ninety-one".