2010205123 has 2 divisors, whose sum is σ = 2010205124. Its totient is φ = 2010205122.

The previous prime is 2010205081. The next prime is 2010205157. The reversal of 2010205123 is 3215020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2010205123 - 2²⁵ = 1976650691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010205097 and 2010205106.

It is not a weakly prime, because it can be changed into another prime (2010205193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005102561 + 1005102562.

It is an arithmetic number, because the mean of its divisors is an integer number (1005102562).

Almost surely, 2^2010205123 is an apocalyptic number.

2010205123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010205123 is an equidigital number, since it uses as much as digits as its factorization.

2010205123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2010205123 is about 44835.3111174663. The cubic root of 2010205123 is about 1262.0603569091.

Adding to 2010205123 its reverse (3215020102), we get a palindrome (5225225225).

The spelling of 2010205123 in words is "two billion, ten million, two hundred five thousand, one hundred twenty-three".