2773135123 has 4 divisors (see below), whose sum is σ = 3025238328. Its totient is φ = 2521031920.

The previous prime is 2773135109. The next prime is 2773135129. The reversal of 2773135123 is 3215313772.

2773135123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2773135123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2773135129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126051586 + ... + 126051607.

It is an arithmetic number, because the mean of its divisors is an integer number (756309582).

Almost surely, 2^2773135123 is an apocalyptic number.

2773135123 is a deficient number, since it is larger than the sum of its proper divisors (252103205).

2773135123 is a wasteful number, since it uses less digits than its factorization.

2773135123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252103204.

The product of its digits is 26460, while the sum is 34.

The square root of 2773135123 is about 52660.5651602791. The cubic root of 2773135123 is about 1404.9375187827.

Adding to 2773135123 its reverse (3215313772), we get a palindrome (5988448895).

The spelling of 2773135123 in words is "two billion, seven hundred seventy-three million, one hundred thirty-five thousand, one hundred twenty-three".