109581323 has 2 divisors, whose sum is σ = 109581324. Its totient is φ = 109581322.

The previous prime is 109581293. The next prime is 109581359. The reversal of 109581323 is 323185901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109581323 - 2⁶ = 109581259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109581323.

It is not a weakly prime, because it can be changed into another prime (109581023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54790661 + 54790662.

It is an arithmetic number, because the mean of its divisors is an integer number (54790662).

Almost surely, 2^109581323 is an apocalyptic number.

109581323 is a deficient number, since it is larger than the sum of its proper divisors (1).

109581323 is an equidigital number, since it uses as much as digits as its factorization.

109581323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 109581323 is about 10468.1098102762. The cubic root of 109581323 is about 478.5333166735.

The spelling of 109581323 in words is "one hundred nine million, five hundred eighty-one thousand, three hundred twenty-three".