105523241 has 4 divisors (see below), whose sum is σ = 110111232. Its totient is φ = 100935252.

The previous prime is 105523237. The next prime is 105523261. The reversal of 105523241 is 142325501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142325501 = 419 ⋅339679.

It is a cyclic number.

It is not a de Polignac number, because 105523241 - 2² = 105523237 is a prime.

It is a super-2 number, since 2×105523241² = 22270308782288162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4587967 = 105523241 / (1 + 0 + 5 + 5 + 2 + 3 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105523261) 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, 2293961 + ... + 2294006.

It is an arithmetic number, because the mean of its divisors is an integer number (27527808).

Almost surely, 2^105523241 is an apocalyptic number.

It is an amenable number.

105523241 is a deficient number, since it is larger than the sum of its proper divisors (4587991).

105523241 is an equidigital number, since it uses as much as digits as its factorization.

105523241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587990.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105523241 is about 10272.4505839649. The cubic root of 105523241 is about 472.5517478294.

Adding to 105523241 its reverse (142325501), we get a palindrome (247848742).

The spelling of 105523241 in words is "one hundred five million, five hundred twenty-three thousand, two hundred forty-one".