109704823 has 4 divisors (see below), whose sum is σ = 109726360. Its totient is φ = 109683288.

The previous prime is 109704817. The next prime is 109704839. The reversal of 109704823 is 328407901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109704823 is a prime.

It is a super-2 number, since 2×109704823² = 24070296378922658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109704863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636 + ... + 14902.

It is an arithmetic number, because the mean of its divisors is an integer number (27431590).

Almost surely, 2^109704823 is an apocalyptic number.

109704823 is a deficient number, since it is larger than the sum of its proper divisors (21537).

109704823 is an equidigital number, since it uses as much as digits as its factorization.

109704823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21536.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 109704823 is about 10474.0070173740. The cubic root of 109704823 is about 478.7130208879.

The spelling of 109704823 in words is "one hundred nine million, seven hundred four thousand, eight hundred twenty-three".