105605323 has 4 divisors (see below), whose sum is σ = 106304848. Its totient is φ = 104905800.

The previous prime is 105605303. The next prime is 105605341. The reversal of 105605323 is 323506501.

It is a happy number.

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-105605323 is a prime.

It is a super-2 number, since 2×105605323² = 22304968491868658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105605303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349536 + ... + 349837.

It is an arithmetic number, because the mean of its divisors is an integer number (26576212).

Almost surely, 2^105605323 is an apocalyptic number.

105605323 is a deficient number, since it is larger than the sum of its proper divisors (699525).

105605323 is an equidigital number, since it uses as much as digits as its factorization.

105605323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699524.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 105605323 is about 10276.4450565358. The cubic root of 105605323 is about 472.6742419813.

The spelling of 105605323 in words is "one hundred five million, six hundred five thousand, three hundred twenty-three".