1001233223103 has 4 divisors (see below), whose sum is σ = 1334977630808. Its totient is φ = 667488815400.

The previous prime is 1001233223027. The next prime is 1001233223131. The reversal of 1001233223103 is 3013223321001.

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

It is not a de Polignac number, because 1001233223103 - 2²⁹ = 1000696352191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001233223103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001233223143) 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, 166872203848 + ... + 166872203853.

It is an arithmetic number, because the mean of its divisors is an integer number (333744407702).

Almost surely, 2^{1001233223103} is an apocalyptic number.

1001233223103 is a deficient number, since it is larger than the sum of its proper divisors (333744407705).

1001233223103 is an equidigital number, since it uses as much as digits as its factorization.

1001233223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333744407704.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1001233223103 its reverse (3013223321001), we get a palindrome (4014456544104).

The spelling of 1001233223103 in words is "one trillion, one billion, two hundred thirty-three million, two hundred twenty-three thousand, one hundred three".