2543686323 has 16 divisors (see below), whose sum is σ = 3488728320. Its totient is φ = 1647362016.

The previous prime is 2543686273. The next prime is 2543686337. The reversal of 2543686323 is 3236863452.

It is not a de Polignac number, because 2543686323 - 2¹⁶ = 2543620787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543686373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54108 + ... + 89526.

It is an arithmetic number, because the mean of its divisors is an integer number (218045520).

Almost surely, 2^2543686323 is an apocalyptic number.

2543686323 is a deficient number, since it is larger than the sum of its proper divisors (945041997).

2543686323 is a wasteful number, since it uses less digits than its factorization.

2543686323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36106.

The product of its digits is 622080, while the sum is 42.

The square root of 2543686323 is about 50434.9712302882. The cubic root of 2543686323 is about 1365.0687300524.

The spelling of 2543686323 in words is "two billion, five hundred forty-three million, six hundred eighty-six thousand, three hundred twenty-three".