1003220001023 has 4 divisors (see below), whose sum is σ = 1003245222720. Its totient is φ = 1003194779328.

The previous prime is 1003220001011. The next prime is 1003220001061. The reversal of 1003220001023 is 3201000223001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1003220001023 - 2¹⁴ = 1003219984639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003220000989 and 1003220001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003220009023) 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, 12551090 + ... + 12630767.

It is an arithmetic number, because the mean of its divisors is an integer number (250811305680).

Almost surely, 2^{1003220001023} is an apocalyptic number.

1003220001023 is a deficient number, since it is larger than the sum of its proper divisors (25221697).

1003220001023 is an equidigital number, since it uses as much as digits as its factorization.

1003220001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25221696.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1003220001023 its reverse (3201000223001), we get a palindrome (4204220224024).

The spelling of 1003220001023 in words is "one trillion, three billion, two hundred twenty million, one thousand, twenty-three".