1023303033403 has 4 divisors (see below), whose sum is σ = 1169489181040. Its totient is φ = 877116885768.

The previous prime is 1023303033383. The next prime is 1023303033433. The reversal of 1023303033403 is 3043303033201.

1023303033403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1023303033403 - 2¹⁷ = 1023302902331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023303033433) 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, 73093073808 + ... + 73093073821.

It is an arithmetic number, because the mean of its divisors is an integer number (292372295260).

Almost surely, 2^{1023303033403} is an apocalyptic number.

1023303033403 is a deficient number, since it is larger than the sum of its proper divisors (146186147637).

1023303033403 is an equidigital number, since it uses as much as digits as its factorization.

1023303033403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146186147636.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 1023303033403 its reverse (3043303033201), we get a palindrome (4066606066604).

The spelling of 1023303033403 in words is "one trillion, twenty-three billion, three hundred three million, thirty-three thousand, four hundred three".