23532543 has 12 divisors (see below), whose sum is σ = 35163960. Its totient is φ = 15147216.

The previous prime is 23532533. The next prime is 23532547. The reversal of 23532543 is 34523532.

It is not a de Polignac number, because 23532543 - 2⁸ = 23532287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532547) 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 11 ways as a sum of consecutive naturals, for example, 44821 + ... + 45342.

It is an arithmetic number, because the mean of its divisors is an integer number (2930330).

Almost surely, 2^23532543 is an apocalyptic number.

23532543 is a deficient number, since it is larger than the sum of its proper divisors (11631417).

23532543 is a wasteful number, since it uses less digits than its factorization.

23532543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90198 (or 90195 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 23532543 is about 4851.0352503357. The cubic root of 23532543 is about 286.5648729679.

The spelling of 23532543 in words is "twenty-three million, five hundred thirty-two thousand, five hundred forty-three".