3126864823 has 2 divisors, whose sum is σ = 3126864824. Its totient is φ = 3126864822.

The previous prime is 3126864821. The next prime is 3126864889. The reversal of 3126864823 is 3284686213.

It is a weak prime.

It is an emirp because it is prime and its reverse (3284686213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3126864823 - 2¹ = 3126864821 is a prime.

Together with 3126864821, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3126864823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3126864821) 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, 1563432411 + 1563432412.

It is an arithmetic number, because the mean of its divisors is an integer number (1563432412).

Almost surely, 2^3126864823 is an apocalyptic number.

3126864823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126864823 is an equidigital number, since it uses as much as digits as its factorization.

3126864823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The square root of 3126864823 is about 55918.3764338701. The cubic root of 3126864823 is about 1462.2996259733.

The spelling of 3126864823 in words is "three billion, one hundred twenty-six million, eight hundred sixty-four thousand, eight hundred twenty-three".