105223823 has 2 divisors, whose sum is σ = 105223824. Its totient is φ = 105223822.

The previous prime is 105223787. The next prime is 105223871. The reversal of 105223823 is 328322501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105223823 - 2⁶ = 105223759 is a prime.

It is a super-2 number, since 2×105223823² = 22144105853470658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105223792 and 105223801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105223883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52611911 + 52611912.

It is an arithmetic number, because the mean of its divisors is an integer number (52611912).

Almost surely, 2^105223823 is an apocalyptic number.

105223823 is a deficient number, since it is larger than the sum of its proper divisors (1).

105223823 is an equidigital number, since it uses as much as digits as its factorization.

105223823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 105223823 is about 10257.8663960884. The cubic root of 105223823 is about 472.1043754977.

The spelling of 105223823 in words is "one hundred five million, two hundred twenty-three thousand, eight hundred twenty-three".