23465720 has 32 divisors (see below), whose sum is σ = 53118720. Its totient is φ = 9329280.

The previous prime is 23465711. The next prime is 23465723. The reversal of 23465720 is 2756432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23465723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5225 + ... + 8615.

It is an arithmetic number, because the mean of its divisors is an integer number (1659960).

Almost surely, 2^23465720 is an apocalyptic number.

23465720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23465720 is an abundant number, since it is smaller than the sum of its proper divisors (29653000).

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

23465720 is a wasteful number, since it uses less digits than its factorization.

23465720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 23465720 is about 4844.1428550364. The cubic root of 23465720 is about 286.2933726540.

The spelling of 23465720 in words is "twenty-three million, four hundred sixty-five thousand, seven hundred twenty".