2072123663 has 2 divisors, whose sum is σ = 2072123664. Its totient is φ = 2072123662.

The previous prime is 2072123629. The next prime is 2072123671. The reversal of 2072123663 is 3663212702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2072123663 - 2⁸ = 2072123407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2072123363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036061831 + 1036061832.

It is an arithmetic number, because the mean of its divisors is an integer number (1036061832).

Almost surely, 2^2072123663 is an apocalyptic number.

2072123663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072123663 is an equidigital number, since it uses as much as digits as its factorization.

2072123663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 2072123663 is about 45520.5850467676. The cubic root of 2072123663 is about 1274.8875795791.

The spelling of 2072123663 in words is "two billion, seventy-two million, one hundred twenty-three thousand, six hundred sixty-three".