1023120103003 has 4 divisors (see below), whose sum is σ = 1023125712840. Its totient is φ = 1023114493168.

The previous prime is 1023120102943. The next prime is 1023120103039. The reversal of 1023120103003 is 3003010213201.

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 1023120103003 - 2²¹ = 1023118005851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023120103303) 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, 2521825 + ... + 2899282.

It is an arithmetic number, because the mean of its divisors is an integer number (255781428210).

Almost surely, 2^{1023120103003} is an apocalyptic number.

1023120103003 is a deficient number, since it is larger than the sum of its proper divisors (5609837).

1023120103003 is an equidigital number, since it uses as much as digits as its factorization.

1023120103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609836.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1023120103003 its reverse (3003010213201), we get a palindrome (4026130316204).

The spelling of 1023120103003 in words is "one trillion, twenty-three billion, one hundred twenty million, one hundred three thousand, three".