5123003999 has 2 divisors, whose sum is σ = 5123004000. Its totient is φ = 5123003998.

The previous prime is 5123003981. The next prime is 5123004017. The reversal of 5123003999 is 9993003215.

It is a happy number.

5123003999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (5123003981) and next prime (5123004017).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5123003999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5123003939) 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, 2561501999 + 2561502000.

It is an arithmetic number, because the mean of its divisors is an integer number (2561502000).

Almost surely, 2^5123003999 is an apocalyptic number.

5123003999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5123003999 is an equidigital number, since it uses as much as digits as its factorization.

5123003999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 5123003999 is about 71575.1632830831. The cubic root of 5123003999 is about 1723.8847652721.

The spelling of 5123003999 in words is "five billion, one hundred twenty-three million, three thousand, nine hundred ninety-nine".