3123229999 has 2 divisors, whose sum is σ = 3123230000. Its totient is φ = 3123229998.

The previous prime is 3123229979. The next prime is 3123230113. The reversal of 3123229999 is 9999223213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123229999 - 2⁷ = 3123229871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123229909) 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 as a sum of consecutive naturals, namely, 1561614999 + 1561615000.

It is an arithmetic number, because the mean of its divisors is an integer number (1561615000).

Almost surely, 2^3123229999 is an apocalyptic number.

3123229999 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123229999 is an equidigital number, since it uses as much as digits as its factorization.

3123229999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 49.

The square root of 3123229999 is about 55885.8658249114. The cubic root of 3123229999 is about 1461.7327895456.

The spelling of 3123229999 in words is "three billion, one hundred twenty-three million, two hundred twenty-nine thousand, nine hundred ninety-nine".