32423520 has 96 divisors (see below), whose sum is σ = 105477120. Its totient is φ = 8363520.

The previous prime is 32423453. The next prime is 32423549. The reversal of 32423520 is 2532423.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13791 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (1098720).

Almost surely, 2^32423520 is an apocalyptic number.

32423520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32423520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52738560).

32423520 is an abundant number, since it is smaller than the sum of its proper divisors (73053600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32423520 is a wasteful number, since it uses less digits than its factorization.

32423520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2220 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 32423520 is about 5694.1654348991. The cubic root of 32423520 is about 318.8746932366.

Adding to 32423520 its reverse (2532423), we get a palindrome (34955943).

The spelling of 32423520 in words is "thirty-two million, four hundred twenty-three thousand, five hundred twenty".