1303423003 has 4 divisors (see below), whose sum is σ = 1308379248. Its totient is φ = 1298466760.

The previous prime is 1303422979. The next prime is 1303423007. The reversal of 1303423003 is 3003243031.

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 1303423003 - 2¹⁷ = 1303291931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303423007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2477728 + ... + 2478253.

It is an arithmetic number, because the mean of its divisors is an integer number (327094812).

Almost surely, 2^1303423003 is an apocalyptic number.

1303423003 is a deficient number, since it is larger than the sum of its proper divisors (4956245).

1303423003 is an equidigital number, since it uses as much as digits as its factorization.

1303423003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956244.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1303423003 is about 36102.9500595173. The cubic root of 1303423003 is about 1092.3499515173.

Adding to 1303423003 its reverse (3003243031), we get a palindrome (4306666034).

The spelling of 1303423003 in words is "one billion, three hundred three million, four hundred twenty-three thousand, three".