2543244423 has 8 divisors (see below), whose sum is σ = 3391344768. Its totient is φ = 1695320184.

The previous prime is 2543244409. The next prime is 2543244427. The reversal of 2543244423 is 3244423452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2543244423 - 2¹³ = 2543236231 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543244427) 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 7 ways as a sum of consecutive naturals, for example, 5515 + ... + 71532.

It is an arithmetic number, because the mean of its divisors is an integer number (423918096).

Almost surely, 2^2543244423 is an apocalyptic number.

2543244423 is a deficient number, since it is larger than the sum of its proper divisors (848100345).

2543244423 is a wasteful number, since it uses less digits than its factorization.

2543244423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88053.

The product of its digits is 92160, while the sum is 33.

The square root of 2543244423 is about 50430.5901512168. The cubic root of 2543244423 is about 1364.9896769604.

Adding to 2543244423 its reverse (3244423452), we get a palindrome (5787667875).

The spelling of 2543244423 in words is "two billion, five hundred forty-three million, two hundred forty-four thousand, four hundred twenty-three".