1005223623241 has 4 divisors (see below), whose sum is σ = 1015176332484. Its totient is φ = 995270914000.

The previous prime is 1005223623197. The next prime is 1005223623247. The reversal of 1005223623241 is 1423263225001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 872019792400 + 133203830841 = 933820^2 + 364971^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005223623241 - 2⁷ = 1005223623113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005223623247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4976354470 + ... + 4976354671.

It is an arithmetic number, because the mean of its divisors is an integer number (253794083121).

Almost surely, 2^{1005223623241} is an apocalyptic number.

It is an amenable number.

1005223623241 is a deficient number, since it is larger than the sum of its proper divisors (9952709243).

1005223623241 is an equidigital number, since it uses as much as digits as its factorization.

1005223623241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9952709242.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1005223623241 its reverse (1423263225001), we get a palindrome (2428486848242).

The spelling of 1005223623241 in words is "one trillion, five billion, two hundred twenty-three million, six hundred twenty-three thousand, two hundred forty-one".