109523719 has 2 divisors, whose sum is σ = 109523720. Its totient is φ = 109523718.

The previous prime is 109523717. The next prime is 109523759. The reversal of 109523719 is 917325901.

It is a weak prime.

It is an emirp because it is prime and its reverse (917325901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109523719 - 2¹ = 109523717 is a prime.

It is a super-2 number, since 2×109523719² = 23990890047181922, which contains 22 as substring.

Together with 109523717, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109523717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54761859 + 54761860.

It is an arithmetic number, because the mean of its divisors is an integer number (54761860).

Almost surely, 2^109523719 is an apocalyptic number.

109523719 is a deficient number, since it is larger than the sum of its proper divisors (1).

109523719 is an equidigital number, since it uses as much as digits as its factorization.

109523719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 109523719 is about 10465.3580445200. The cubic root of 109523719 is about 478.4494512118.

The spelling of 109523719 in words is "one hundred nine million, five hundred twenty-three thousand, seven hundred nineteen".