23407232 has 64 divisors (see below), whose sum is σ = 51114240. Its totient is φ = 10629120.

The previous prime is 23407217. The next prime is 23407253. The reversal of 23407232 is 23270432.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 23407198 and 23407207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67283 + ... + 67629.

It is an arithmetic number, because the mean of its divisors is an integer number (798660).

Almost surely, 2^23407232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23407232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25557120).

23407232 is an abundant number, since it is smaller than the sum of its proper divisors (27707008).

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

23407232 is a wasteful number, since it uses less digits than its factorization.

23407232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 23407232 is about 4838.1021072317. The cubic root of 23407232 is about 286.0553139301.

Adding to 23407232 its reverse (23270432), we get a palindrome (46677664).

The spelling of 23407232 in words is "twenty-three million, four hundred seven thousand, two hundred thirty-two".