2543423006 has 16 divisors (see below), whose sum is σ = 4079555280. Its totient is φ = 1185052800.

The previous prime is 2543422967. The next prime is 2543423009. The reversal of 2543423006 is 6003243452.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543423006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543423009) 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, 366896 + ... + 373763.

It is an arithmetic number, because the mean of its divisors is an integer number (254972205).

Almost surely, 2^2543423006 is an apocalyptic number.

2543423006 is a deficient number, since it is larger than the sum of its proper divisors (1536132274).

2543423006 is a wasteful number, since it uses less digits than its factorization.

2543423006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740779.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2543423006 is about 50432.3607022317. The cubic root of 2543423006 is about 1365.0216254228.

Adding to 2543423006 its reverse (6003243452), we get a palindrome (8546666458).

The spelling of 2543423006 in words is "two billion, five hundred forty-three million, four hundred twenty-three thousand, six".