23906320 has 40 divisors (see below), whose sum is σ = 55978560. Its totient is φ = 9494400.

The previous prime is 23906317. The next prime is 23906341. The reversal of 23906320 is 2360932.

It is a tau number, because it is divible by the number of its divisors (40).

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, 11091 + ... + 13069.

It is an arithmetic number, because the mean of its divisors is an integer number (1399464).

Almost surely, 2^23906320 is an apocalyptic number.

23906320 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 23906320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27989280).

23906320 is an abundant number, since it is smaller than the sum of its proper divisors (32072240).

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

23906320 is a wasteful number, since it uses less digits than its factorization.

23906320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 23906320 is about 4889.4089622366. The cubic root of 23906320 is about 288.0741192976.

The spelling of 23906320 in words is "twenty-three million, nine hundred six thousand, three hundred twenty".