23672320 has 80 divisors (see below), whose sum is σ = 64915488. Its totient is φ = 8110080.

The previous prime is 23672287. The next prime is 23672329. The reversal of 23672320 is 2327632.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23672329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17260 + ... + 18580.

Almost surely, 2^23672320 is an apocalyptic number.

23672320 is a gapful number since it is divisible by the number (20) 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 23672320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32457744).

23672320 is an abundant number, since it is smaller than the sum of its proper divisors (41243168).

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

23672320 is an equidigital number, since it uses as much as digits as its factorization.

23672320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 23672320 is about 4865.4208451068. The cubic root of 23672320 is about 287.1311261666.

Adding to 23672320 its reverse (2327632), we get a palindrome (25999952).

The spelling of 23672320 in words is "twenty-three million, six hundred seventy-two thousand, three hundred twenty".