2256947343 has 24 divisors (see below), whose sum is σ = 3845943296. Its totient is φ = 1248080400.

The previous prime is 2256947339. The next prime is 2256947347. The reversal of 2256947343 is 3437496522.

2256947343 is a `hidden beast` number, since 2 + 2 + 569 + 47 + 3 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (2256947339) and next prime (2256947347).

It is not a de Polignac number, because 2256947343 - 2² = 2256947339 is a prime.

It is a super-2 number, since 2×2256947343² = 10187622618149519298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256947347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 575863 + ... + 579768.

Almost surely, 2^2256947343 is an apocalyptic number.

2256947343 is a deficient number, since it is larger than the sum of its proper divisors (1588995953).

2256947343 is a wasteful number, since it uses less digits than its factorization.

2256947343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155675 (or 1155672 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 2256947343 is about 47507.3398855377. The cubic root of 2256947343 is about 1311.7179920648.

The spelling of 2256947343 in words is "two billion, two hundred fifty-six million, nine hundred forty-seven thousand, three hundred forty-three".