1023121130303 has 4 divisors (see below), whose sum is σ = 1023473569008. Its totient is φ = 1022768691600.

The previous prime is 1023121130267. The next prime is 1023121130321. The reversal of 1023121130303 is 3030311213201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023121130303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023121630303) 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, 176214998 + ... + 176220803.

It is an arithmetic number, because the mean of its divisors is an integer number (255868392252).

Almost surely, 2^{1023121130303} is an apocalyptic number.

1023121130303 is a deficient number, since it is larger than the sum of its proper divisors (352438705).

1023121130303 is an equidigital number, since it uses as much as digits as its factorization.

1023121130303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352438704.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1023121130303 its reverse (3030311213201), we get a palindrome (4053432343504).

The spelling of 1023121130303 in words is "one trillion, twenty-three billion, one hundred twenty-one million, one hundred thirty thousand, three hundred three".