2123481673 has 2 divisors, whose sum is σ = 2123481674. Its totient is φ = 2123481672.

The previous prime is 2123481637. The next prime is 2123481707. The reversal of 2123481673 is 3761843212.

It is a happy number.

Together with previous prime (2123481637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1713297664 + 410184009 = 41392^2 + 20253^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123481673 - 2¹³ = 2123473481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123481473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061740836 + 1061740837.

It is an arithmetic number, because the mean of its divisors is an integer number (1061740837).

Almost surely, 2^2123481673 is an apocalyptic number.

It is an amenable number.

2123481673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123481673 is an equidigital number, since it uses as much as digits as its factorization.

2123481673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 2123481673 is about 46081.2507751255. The cubic root of 2123481673 is about 1285.3345226659.

The spelling of 2123481673 in words is "two billion, one hundred twenty-three million, four hundred eighty-one thousand, six hundred seventy-three".