2256367723 has 4 divisors (see below), whose sum is σ = 2256508600. Its totient is φ = 2256226848.

The previous prime is 2256367697. The next prime is 2256367753. The reversal of 2256367723 is 3277636522.

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 2256367723 - 2²⁹ = 1719496811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2256367723.

It is not an unprimeable number, because it can be changed into a prime (2256367753) 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, 42798 + ... + 79651.

It is an arithmetic number, because the mean of its divisors is an integer number (564127150).

Almost surely, 2^2256367723 is an apocalyptic number.

2256367723 is a deficient number, since it is larger than the sum of its proper divisors (140877).

2256367723 is a wasteful number, since it uses less digits than its factorization.

2256367723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140876.

The product of its digits is 635040, while the sum is 43.

The square root of 2256367723 is about 47501.2391733100. The cubic root of 2256367723 is about 1311.6056924314.

The spelling of 2256367723 in words is "two billion, two hundred fifty-six million, three hundred sixty-seven thousand, seven hundred twenty-three".