2065154123 has 2 divisors, whose sum is σ = 2065154124. Its totient is φ = 2065154122.

The previous prime is 2065154057. The next prime is 2065154243. The reversal of 2065154123 is 3214515602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2065154123 - 2²⁴ = 2048376907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2065157123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032577061 + 1032577062.

It is an arithmetic number, because the mean of its divisors is an integer number (1032577062).

Almost surely, 2^2065154123 is an apocalyptic number.

2065154123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065154123 is an equidigital number, since it uses as much as digits as its factorization.

2065154123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2065154123 is about 45443.9668492969. The cubic root of 2065154123 is about 1273.4566224214.

Adding to 2065154123 its reverse (3214515602), we get a palindrome (5279669725).

The spelling of 2065154123 in words is "two billion, sixty-five million, one hundred fifty-four thousand, one hundred twenty-three".