2263823543 has 4 divisors (see below), whose sum is σ = 2264187120. Its totient is φ = 2263459968.

The previous prime is 2263823531. The next prime is 2263823587. The reversal of 2263823543 is 3453283622.

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-2263823543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2263823497 and 2263823506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263823593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172283 + ... + 184956.

It is an arithmetic number, because the mean of its divisors is an integer number (566046780).

Almost surely, 2^2263823543 is an apocalyptic number.

2263823543 is a deficient number, since it is larger than the sum of its proper divisors (363577).

2263823543 is an equidigital number, since it uses as much as digits as its factorization.

2263823543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363576.

The product of its digits is 207360, while the sum is 38.

The square root of 2263823543 is about 47579.6547171162. The cubic root of 2263823543 is about 1313.0487705271.

The spelling of 2263823543 in words is "two billion, two hundred sixty-three million, eight hundred twenty-three thousand, five hundred forty-three".