1003001423 has 4 divisors (see below), whose sum is σ = 1010899200. Its totient is φ = 995103648.

The previous prime is 1003001413. The next prime is 1003001473. The reversal of 1003001423 is 3241003001.

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 1003001423 - 2²⁴ = 986224207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003001398 and 1003001407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003001413) 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, 3948698 + ... + 3948951.

It is an arithmetic number, because the mean of its divisors is an integer number (252724800).

Almost surely, 2^1003001423 is an apocalyptic number.

1003001423 is a deficient number, since it is larger than the sum of its proper divisors (7897777).

1003001423 is an equidigital number, since it uses as much as digits as its factorization.

1003001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7897776.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1003001423 is about 31670.1977101502. The cubic root of 1003001423 is about 1000.9994750501. Note that the first 3 decimals are identical.

Adding to 1003001423 its reverse (3241003001), we get a palindrome (4244004424).

The spelling of 1003001423 in words is "one billion, three million, one thousand, four hundred twenty-three".