1023321103 has 16 divisors (see below), whose sum is σ = 1249680960. Its totient is φ = 817952256.

The previous prime is 1023321071. The next prime is 1023321109. The reversal of 1023321103 is 3011233201.

It is a cyclic number.

It is not a de Polignac number, because 1023321103 - 2⁵ = 1023321071 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 (1023321109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26476 + ... + 52417.

It is an arithmetic number, because the mean of its divisors is an integer number (78105060).

Almost surely, 2^1023321103 is an apocalyptic number.

1023321103 is a deficient number, since it is larger than the sum of its proper divisors (226359857).

1023321103 is a wasteful number, since it uses less digits than its factorization.

1023321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79026.

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

The square root of 1023321103 is about 31989.3904755936. The cubic root of 1023321103 is about 1007.7140415512.

Adding to 1023321103 its reverse (3011233201), we get a palindrome (4034554304).

The spelling of 1023321103 in words is "one billion, twenty-three million, three hundred twenty-one thousand, one hundred three".