1220003102023 has 4 divisors (see below), whose sum is σ = 1245960614880. Its totient is φ = 1194045589168.

The previous prime is 1220003102011. The next prime is 1220003102051. The reversal of 1220003102023 is 3202013000221.

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 1220003102023 - 2⁹ = 1220003101511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220003101988 and 1220003102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220003103023) 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, 12978756358 + ... + 12978756451.

It is an arithmetic number, because the mean of its divisors is an integer number (311490153720).

Almost surely, 2^{1220003102023} is an apocalyptic number.

1220003102023 is a deficient number, since it is larger than the sum of its proper divisors (25957512857).

1220003102023 is an equidigital number, since it uses as much as digits as its factorization.

1220003102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25957512856.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1220003102023 its reverse (3202013000221), we get a palindrome (4422016102244).

The spelling of 1220003102023 in words is "one trillion, two hundred twenty billion, three million, one hundred two thousand, twenty-three".