1003220223123 has 4 divisors (see below), whose sum is σ = 1337626964168. Its totient is φ = 668813482080.

The previous prime is 1003220222999. The next prime is 1003220223127. The reversal of 1003220223123 is 3213220223001.

It is a happy number.

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

It is not a de Polignac number, because 1003220223123 - 2¹⁴ = 1003220206739 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 1003220223123.

It is not an unprimeable number, because it can be changed into a prime (1003220223127) 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, 167203370518 + ... + 167203370523.

It is an arithmetic number, because the mean of its divisors is an integer number (334406741042).

Almost surely, 2^{1003220223123} is an apocalyptic number.

1003220223123 is a deficient number, since it is larger than the sum of its proper divisors (334406741045).

1003220223123 is an equidigital number, since it uses as much as digits as its factorization.

1003220223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334406741044.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1003220223123 its reverse (3213220223001), we get a palindrome (4216440446124).

The spelling of 1003220223123 in words is "one trillion, three billion, two hundred twenty million, two hundred twenty-three thousand, one hundred twenty-three".