1020323103 has 4 divisors (see below), whose sum is σ = 1360430808. Its totient is φ = 680215400.

The previous prime is 1020323093. The next prime is 1020323131. The reversal of 1020323103 is 3013230201.

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 1020323103 - 2⁶ = 1020323039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020323173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170053848 + ... + 170053853.

It is an arithmetic number, because the mean of its divisors is an integer number (340107702).

Almost surely, 2^1020323103 is an apocalyptic number.

1020323103 is a deficient number, since it is larger than the sum of its proper divisors (340107705).

1020323103 is an equidigital number, since it uses as much as digits as its factorization.

1020323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340107704.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1020323103 is about 31942.4968185018. The cubic root of 1020323103 is about 1006.7289868416.

Adding to 1020323103 its reverse (3013230201), we get a palindrome (4033553304).

The spelling of 1020323103 in words is "one billion, twenty million, three hundred twenty-three thousand, one hundred three".