2257416823 has 4 divisors (see below), whose sum is σ = 2262251160. Its totient is φ = 2252582488.

The previous prime is 2257416817. The next prime is 2257416839. The reversal of 2257416823 is 3286147522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2257416823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257416803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416468 + ... + 2417401.

It is an arithmetic number, because the mean of its divisors is an integer number (565562790).

Almost surely, 2^2257416823 is an apocalyptic number.

2257416823 is a deficient number, since it is larger than the sum of its proper divisors (4834337).

2257416823 is an equidigital number, since it uses as much as digits as its factorization.

2257416823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834336.

The product of its digits is 161280, while the sum is 40.

The square root of 2257416823 is about 47512.2807598204. The cubic root of 2257416823 is about 1311.8089383112.

The spelling of 2257416823 in words is "two billion, two hundred fifty-seven million, four hundred sixteen thousand, eight hundred twenty-three".