1001223023233 has 4 divisors (see below), whose sum is σ = 1028283104980. Its totient is φ = 974162941488.

The previous prime is 1001223023231. The next prime is 1001223023237. The reversal of 1001223023233 is 3323203221001.

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 820821504064 + 180401519169 = 905992^2 + 424737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001223023233 - 2¹ = 1001223023231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001223023231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13530040818 + ... + 13530040891.

It is an arithmetic number, because the mean of its divisors is an integer number (257070776245).

Almost surely, 2^{1001223023233} is an apocalyptic number.

It is an amenable number.

1001223023233 is a deficient number, since it is larger than the sum of its proper divisors (27060081747).

1001223023233 is an equidigital number, since it uses as much as digits as its factorization.

1001223023233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27060081746.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1001223023233 its reverse (3323203221001), we get a palindrome (4324426244234).

The spelling of 1001223023233 in words is "one trillion, one billion, two hundred twenty-three million, twenty-three thousand, two hundred thirty-three".