2107918123 has 2 divisors, whose sum is σ = 2107918124. Its totient is φ = 2107918122.

The previous prime is 2107918091. The next prime is 2107918133. The reversal of 2107918123 is 3218197012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2107918123 - 2⁵ = 2107918091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2107918133) 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, 1053959061 + 1053959062.

It is an arithmetic number, because the mean of its divisors is an integer number (1053959062).

Almost surely, 2^2107918123 is an apocalyptic number.

2107918123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107918123 is an equidigital number, since it uses as much as digits as its factorization.

2107918123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 2107918123 is about 45912.0694698028. The cubic root of 2107918123 is about 1282.1866357547.

The spelling of 2107918123 in words is "two billion, one hundred seven million, nine hundred eighteen thousand, one hundred twenty-three".