2518323543 has 12 divisors (see below), whose sum is σ = 3851553888. Its totient is φ = 1580124480.

The previous prime is 2518323541. The next prime is 2518323551. The reversal of 2518323543 is 3453238152.

It is not a de Polignac number, because 2518323543 - 2¹ = 2518323541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2518323498 and 2518323507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2518323541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8229663 + ... + 8229968.

It is an arithmetic number, because the mean of its divisors is an integer number (320962824).

Almost surely, 2^2518323543 is an apocalyptic number.

2518323543 is a deficient number, since it is larger than the sum of its proper divisors (1333230345).

2518323543 is a wasteful number, since it uses less digits than its factorization.

2518323543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16459654 (or 16459651 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 2518323543 is about 50182.9009025983. The cubic root of 2518323543 is about 1360.5165899028.

The spelling of 2518323543 in words is "two billion, five hundred eighteen million, three hundred twenty-three thousand, five hundred forty-three".