23445680 has 20 divisors (see below), whose sum is σ = 54511392. Its totient is φ = 9378240.

The previous prime is 23445647. The next prime is 23445683. The reversal of 23445680 is 8654432.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (23445683) 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, 146456 + ... + 146615.

Almost surely, 2^23445680 is an apocalyptic number.

23445680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23445680 is an abundant number, since it is smaller than the sum of its proper divisors (31065712).

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

23445680 is a wasteful number, since it uses less digits than its factorization.

23445680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293084 (or 293078 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 23445680 is about 4842.0739358254. The cubic root of 23445680 is about 286.2118501436.

The spelling of 23445680 in words is "twenty-three million, four hundred forty-five thousand, six hundred eighty".