1020323203 has 4 divisors (see below), whose sum is σ = 1020449320. Its totient is φ = 1020197088.

The previous prime is 1020323177. The next prime is 1020323209. The reversal of 1020323203 is 3023230201.

1020323203 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 a de Polignac number, because none of the positive numbers 2^k-1020323203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020323209) 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, 50025 + ... + 67402.

It is an arithmetic number, because the mean of its divisors is an integer number (255112330).

Almost surely, 2^1020323203 is an apocalyptic number.

1020323203 is a deficient number, since it is larger than the sum of its proper divisors (126117).

1020323203 is an equidigital number, since it uses as much as digits as its factorization.

1020323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126116.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1020323203 is about 31942.4983838146. The cubic root of 1020323203 is about 1006.7290197308.

Adding to 1020323203 its reverse (3023230201), we get a palindrome (4043553404).

The spelling of 1020323203 in words is "one billion, twenty million, three hundred twenty-three thousand, two hundred three".