32543423 has 24 divisors (see below), whose sum is σ = 39124080. Its totient is φ = 26808320.

The previous prime is 32543393. The next prime is 32543429. The reversal of 32543423 is 32434523.

It is not a de Polignac number, because 32543423 - 2⁶ = 32543359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32543392 and 32543401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32543429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92015 + ... + 92367.

It is an arithmetic number, because the mean of its divisors is an integer number (1630170).

Almost surely, 2^32543423 is an apocalyptic number.

32543423 is a deficient number, since it is larger than the sum of its proper divisors (6580657).

32543423 is a wasteful number, since it uses less digits than its factorization.

32543423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 410 counting only the distinct ones).

The product of its digits is 8640, while the sum is 26.

The square root of 32543423 is about 5704.6843032722. The cubic root of 32543423 is about 319.2672786067.

Adding to 32543423 its reverse (32434523), we get a palindrome (64977946).

Subtracting from 32543423 its reverse (32434523), we obtain a square (108900 = 330²).

The spelling of 32543423 in words is "thirty-two million, five hundred forty-three thousand, four hundred twenty-three".