3123303403 has 4 divisors (see below), whose sum is σ = 3407240088. Its totient is φ = 2839366720.

The previous prime is 3123303401. The next prime is 3123303437. The reversal of 3123303403 is 3043033213.

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 3123303403 - 2¹ = 3123303401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123303401) 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 3 ways as a sum of consecutive naturals, for example, 141968326 + ... + 141968347.

It is an arithmetic number, because the mean of its divisors is an integer number (851810022).

Almost surely, 2^3123303403 is an apocalyptic number.

3123303403 is a deficient number, since it is larger than the sum of its proper divisors (283936685).

3123303403 is a wasteful number, since it uses less digits than its factorization.

3123303403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283936684.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 3123303403 is about 55886.5225524008. The cubic root of 3123303403 is about 1461.7442409589.

Adding to 3123303403 its reverse (3043033213), we get a palindrome (6166336616).

The spelling of 3123303403 in words is "three billion, one hundred twenty-three million, three hundred three thousand, four hundred three".