323103403 has 12 divisors (see below), whose sum is σ = 378606312. Its totient is φ = 274918560.

The previous prime is 323103349. The next prime is 323103409. The reversal of 323103403 is 304301323.

It is a de Polignac number, because none of the positive numbers 2^k-323103403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (323103409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17353 + ... + 30778.

It is an arithmetic number, because the mean of its divisors is an integer number (31550526).

Almost surely, 2^323103403 is an apocalyptic number.

323103403 is a deficient number, since it is larger than the sum of its proper divisors (55502909).

323103403 is a wasteful number, since it uses less digits than its factorization.

323103403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48282 (or 48275 counting only the distinct ones).

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

The square root of 323103403 is about 17975.0772738256. The cubic root of 323103403 is about 686.1944124812.

Adding to 323103403 its reverse (304301323), we get a palindrome (627404726).

The spelling of 323103403 in words is "three hundred twenty-three million, one hundred three thousand, four hundred three".