1003422403 has 8 divisors (see below), whose sum is σ = 1055045376. Its totient is φ = 952465800.

The previous prime is 1003422391. The next prime is 1003422419. The reversal of 1003422403 is 3042243001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003422403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003422443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163503 + ... + 169528.

It is an arithmetic number, because the mean of its divisors is an integer number (131880672).

Almost surely, 2^1003422403 is an apocalyptic number.

1003422403 is a deficient number, since it is larger than the sum of its proper divisors (51622973).

1003422403 is a wasteful number, since it uses less digits than its factorization.

1003422403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333185.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1003422403 is about 31676.8433244223. The cubic root of 1003422403 is about 1001.1395020419.

Adding to 1003422403 its reverse (3042243001), we get a palindrome (4045665404).

The spelling of 1003422403 in words is "one billion, three million, four hundred twenty-two thousand, four hundred three".