2031123863 has 2 divisors, whose sum is σ = 2031123864. Its totient is φ = 2031123862.

The previous prime is 2031123851. The next prime is 2031123889. The reversal of 2031123863 is 3683211302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031123863 - 2⁶ = 2031123799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031123163) 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, 1015561931 + 1015561932.

It is an arithmetic number, because the mean of its divisors is an integer number (1015561932).

Almost surely, 2^2031123863 is an apocalyptic number.

2031123863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031123863 is an equidigital number, since it uses as much as digits as its factorization.

2031123863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2031123863 is about 45067.9915572017. The cubic root of 2031123863 is about 1266.4230394864.

The spelling of 2031123863 in words is "two billion, thirty-one million, one hundred twenty-three thousand, eight hundred sixty-three".