2006839123 has 2 divisors, whose sum is σ = 2006839124. Its totient is φ = 2006839122.

The previous prime is 2006839099. The next prime is 2006839193. The reversal of 2006839123 is 3219386002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006839123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2006839193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003419561 + 1003419562.

It is an arithmetic number, because the mean of its divisors is an integer number (1003419562).

Almost surely, 2^2006839123 is an apocalyptic number.

2006839123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006839123 is an equidigital number, since it uses as much as digits as its factorization.

2006839123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2006839123 is about 44797.7580130970. The cubic root of 2006839123 is about 1261.3555418625.

The spelling of 2006839123 in words is "two billion, six million, eight hundred thirty-nine thousand, one hundred twenty-three".