2087123 has 2 divisors, whose sum is σ = 2087124. Its totient is φ = 2087122.

The previous prime is 2087081. The next prime is 2087147. The reversal of 2087123 is 3217802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2087123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2084123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043561 + 1043562.

It is an arithmetic number, because the mean of its divisors is an integer number (1043562).

2^2087123 is an apocalyptic number.

2087123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087123 is an equidigital number, since it uses as much as digits as its factorization.

2087123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2087123 is about 1444.6878555591. The cubic root of 2087123 is about 127.7956333516.

The spelling of 2087123 in words is "two million, eighty-seven thousand, one hundred twenty-three".