2555705123 has 4 divisors (see below), whose sum is σ = 2556123600. Its totient is φ = 2555286648.

The previous prime is 2555705077. The next prime is 2555705147. The reversal of 2555705123 is 3215075552.

It is a happy number.

2555705123 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 cyclic number.

It is not a de Polignac number, because 2555705123 - 2⁶ = 2555705059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555705023) 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, 199940 + ... + 212337.

It is an arithmetic number, because the mean of its divisors is an integer number (639030900).

Almost surely, 2^2555705123 is an apocalyptic number.

2555705123 is a deficient number, since it is larger than the sum of its proper divisors (418477).

2555705123 is an equidigital number, since it uses as much as digits as its factorization.

2555705123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418476.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 2555705123 is about 50553.9822664842. The cubic root of 2555705123 is about 1367.2153149196.

The spelling of 2555705123 in words is "two billion, five hundred fifty-five million, seven hundred five thousand, one hundred twenty-three".