3123803867 has 2 divisors, whose sum is σ = 3123803868. Its totient is φ = 3123803866.

The previous prime is 3123803863. The next prime is 3123803897. The reversal of 3123803867 is 7683083213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123803867 - 2² = 3123803863 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123803863) 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, 1561901933 + 1561901934.

It is an arithmetic number, because the mean of its divisors is an integer number (1561901934).

Almost surely, 2^3123803867 is an apocalyptic number.

3123803867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123803867 is an equidigital number, since it uses as much as digits as its factorization.

3123803867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 3123803867 is about 55890.9998747562. Note that the first 3 decimals coincide. The cubic root of 3123803867 is about 1461.8223112161.

The spelling of 3123803867 in words is "three billion, one hundred twenty-three million, eight hundred three thousand, eight hundred sixty-seven".