105353243 has 4 divisors (see below), whose sum is σ = 106111320. Its totient is φ = 104595168.

The previous prime is 105353207. The next prime is 105353249. The reversal of 105353243 is 342353501.

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

It is a cyclic number.

It is not a de Polignac number, because 105353243 - 2⁸ = 105352987 is a prime.

It is a super-2 number, since 2×105353243² = 22198611621234098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105353249) 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, 378830 + ... + 379107.

It is an arithmetic number, because the mean of its divisors is an integer number (26527830).

Almost surely, 2^105353243 is an apocalyptic number.

105353243 is a deficient number, since it is larger than the sum of its proper divisors (758077).

105353243 is an equidigital number, since it uses as much as digits as its factorization.

105353243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758076.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 105353243 is about 10264.1727869322. The cubic root of 105353243 is about 472.2978510617.

The spelling of 105353243 in words is "one hundred five million, three hundred fifty-three thousand, two hundred forty-three".