6431123071 has 2 divisors, whose sum is σ = 6431123072. Its totient is φ = 6431123070.

The previous prime is 6431123053. The next prime is 6431123077. The reversal of 6431123071 is 1703211346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6431123071 - 2²³ = 6422734463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6431123077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215561535 + 3215561536.

It is an arithmetic number, because the mean of its divisors is an integer number (3215561536).

Almost surely, 2^6431123071 is an apocalyptic number.

6431123071 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431123071 is an equidigital number, since it uses as much as digits as its factorization.

6431123071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 6431123071 is about 80194.2832812913. The cubic root of 6431123071 is about 1859.6402617769.

The spelling of 6431123071 in words is "six billion, four hundred thirty-one million, one hundred twenty-three thousand, seventy-one".