323673481691 has 12 divisors (see below), whose sum is σ = 376527477312. Its totient is φ = 277427526768.

The previous prime is 323673481627. The next prime is 323673481709. The reversal of 323673481691 is 196184376323.

It is not a de Polignac number, because 323673481691 - 2⁶ = 323673481627 is a prime.

It is a super-2 number, since 2×323673481691² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323673481591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3445541 + ... + 3538233.

It is an arithmetic number, because the mean of its divisors is an integer number (31377289776).

Almost surely, 2^323673481691 is an apocalyptic number.

323673481691 is a deficient number, since it is larger than the sum of its proper divisors (52853995621).

323673481691 is an equidigital number, since it uses as much as digits as its factorization.

323673481691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163970 (or 163963 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 53.

The spelling of 323673481691 in words is "three hundred twenty-three billion, six hundred seventy-three million, four hundred eighty-one thousand, six hundred ninety-one".