323094981091681 has 4 divisors (see below), whose sum is σ = 329969342391552. Its totient is φ = 316220619791812.

The previous prime is 323094981091661. The next prime is 323094981091699. The reversal of 323094981091681 is 186190189490323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323094981091681 is a prime.

It is a super-2 number, since 2×323094981091681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323094981091661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3437180649865 + ... + 3437180649958.

It is an arithmetic number, because the mean of its divisors is an integer number (82492335597888).

Almost surely, 2^{323094981091681} is an apocalyptic number.

It is an amenable number.

323094981091681 is a deficient number, since it is larger than the sum of its proper divisors (6874361299871).

323094981091681 is an equidigital number, since it uses as much as digits as its factorization.

323094981091681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874361299870.

The product of its (nonzero) digits is 20155392, while the sum is 64.

The spelling of 323094981091681 in words is "three hundred twenty-three trillion, ninety-four billion, nine hundred eighty-one million, ninety-one thousand, six hundred eighty-one".