1003321123 has 8 divisors (see below), whose sum is σ = 1147498848. Its totient is φ = 859354944.

The previous prime is 1003321097. The next prime is 1003321133. The reversal of 1003321123 is 3211233001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1003321123 - 2¹⁷ = 1003190051 is a prime.

It is a super-2 number, since 2×1003321123² = 2013306551715962258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003321097 and 1003321106.

It is not an unprimeable number, because it can be changed into a prime (1003321133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42586 + ... + 61807.

It is an arithmetic number, because the mean of its divisors is an integer number (143437356).

Almost surely, 2^1003321123 is an apocalyptic number.

1003321123 is a deficient number, since it is larger than the sum of its proper divisors (144177725).

1003321123 is a wasteful number, since it uses less digits than its factorization.

1003321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105773.

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

The square root of 1003321123 is about 31675.2446399392. The cubic root of 1003321123 is about 1001.1058177164.

Adding to 1003321123 its reverse (3211233001), we get a palindrome (4214554124).

The spelling of 1003321123 in words is "one billion, three million, three hundred twenty-one thousand, one hundred twenty-three".