23320432 has 20 divisors (see below), whose sum is σ = 46641856. Its totient is φ = 11283840.

The previous prime is 23320421. The next prime is 23320433. The reversal of 23320432 is 23402332.

23320432 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23013 + ... + 24004.

Almost surely, 2^23320432 is an apocalyptic number.

It is an amenable number.

23320432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23320432 is a wasteful number, since it uses less digits than its factorization.

23320432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47056 (or 47050 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 23320432 is about 4829.1233158825. The cubic root of 23320432 is about 285.7012872182.

Adding to 23320432 its reverse (23402332), we get a palindrome (46722764).

The spelling of 23320432 in words is "twenty-three million, three hundred twenty thousand, four hundred thirty-two".