2057170723 has 4 divisors (see below), whose sum is σ = 2060106048. Its totient is φ = 2054235400.

The previous prime is 2057170721. The next prime is 2057170811. The reversal of 2057170723 is 3270717502.

It is a happy number.

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 2057170723 - 2¹ = 2057170721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057170721) 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, 1466611 + ... + 1468012.

It is an arithmetic number, because the mean of its divisors is an integer number (515026512).

Almost surely, 2^2057170723 is an apocalyptic number.

2057170723 is a deficient number, since it is larger than the sum of its proper divisors (2935325).

2057170723 is an equidigital number, since it uses as much as digits as its factorization.

2057170723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935324.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 2057170723 is about 45356.0439522673. The cubic root of 2057170723 is about 1271.8135421070.

The spelling of 2057170723 in words is "two billion, fifty-seven million, one hundred seventy thousand, seven hundred twenty-three".