3123400303 has 2 divisors, whose sum is σ = 3123400304. Its totient is φ = 3123400302.

The previous prime is 3123400283. The next prime is 3123400363. The reversal of 3123400303 is 3030043213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123400303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123400363) 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 as a sum of consecutive naturals, namely, 1561700151 + 1561700152.

It is an arithmetic number, because the mean of its divisors is an integer number (1561700152).

Almost surely, 2^3123400303 is an apocalyptic number.

3123400303 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123400303 is an equidigital number, since it uses as much as digits as its factorization.

3123400303 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3123400303 is about 55887.3894809911. The cubic root of 3123400303 is about 1461.7593575982.

Adding to 3123400303 its reverse (3030043213), we get a palindrome (6153443516).

The spelling of 3123400303 in words is "three billion, one hundred twenty-three million, four hundred thousand, three hundred three".