3123430003 has 4 divisors (see below), whose sum is σ = 3126859488. Its totient is φ = 3120000520.

The previous prime is 3123429977. The next prime is 3123430027. The reversal of 3123430003 is 3000343213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3000343213 = 7 ⋅428620459.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123430003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123430033) 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, 1713376 + ... + 1715197.

It is an arithmetic number, because the mean of its divisors is an integer number (781714872).

Almost surely, 2^3123430003 is an apocalyptic number.

3123430003 is a deficient number, since it is larger than the sum of its proper divisors (3429485).

3123430003 is an equidigital number, since it uses as much as digits as its factorization.

3123430003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429484.

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

The square root of 3123430003 is about 55887.6551932535. The cubic root of 3123430003 is about 1461.7639908089.

Adding to 3123430003 its reverse (3000343213), we get a palindrome (6123773216).

The spelling of 3123430003 in words is "three billion, one hundred twenty-three million, four hundred thirty thousand, three".