2006855023 has 2 divisors, whose sum is σ = 2006855024. Its totient is φ = 2006855022.

The previous prime is 2006854961. The next prime is 2006855033. The reversal of 2006855023 is 3205586002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006855023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006855033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003427511 + 1003427512.

It is an arithmetic number, because the mean of its divisors is an integer number (1003427512).

Almost surely, 2^2006855023 is an apocalyptic number.

2006855023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006855023 is an equidigital number, since it uses as much as digits as its factorization.

2006855023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2006855023 is about 44797.9354769838. The cubic root of 2006855023 is about 1261.3588730547.

The spelling of 2006855023 in words is "two billion, six million, eight hundred fifty-five thousand, twenty-three".