2002326543 has 18 divisors (see below), whose sum is σ = 3364454184. Its totient is φ = 1144186344.

The previous prime is 2002326523. The next prime is 2002326551. The reversal of 2002326543 is 3456232002.

2002326543 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 3 + 2 + 654 + 3 = 666.

It is not a de Polignac number, because 2002326543 - 2⁵ = 2002326511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002326503) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2269771 + ... + 2270652.

Almost surely, 2^2002326543 is an apocalyptic number.

2002326543 is a deficient number, since it is larger than the sum of its proper divisors (1362127641).

2002326543 is a wasteful number, since it uses less digits than its factorization.

2002326543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540443 (or 4540433 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2002326543 is about 44747.3635312741. The cubic root of 2002326543 is about 1260.4094039975.

Adding to 2002326543 its reverse (3456232002), we get a palindrome (5458558545).

The spelling of 2002326543 in words is "two billion, two million, three hundred twenty-six thousand, five hundred forty-three".